diff --git a/types/node/http2.d.ts b/types/node/http2.d.ts
index b2fcc591ba9e36..73c77578943773 100644
--- a/types/node/http2.d.ts
+++ b/types/node/http2.d.ts
@@ -1286,7 +1286,10 @@ declare module "node:http2" {
         "checkContinue": [request: InstanceType<Http2Request>, response: InstanceType<Http2Response>];
         "request": [request: InstanceType<Http2Request>, response: InstanceType<Http2Response>];
         "session": [session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>];
-        "sessionError": [err: Error];
+        "sessionError": [
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ];
     }
     interface Http2Server<
         Http1Request extends typeof IncomingMessage = typeof IncomingMessage,
diff --git a/types/node/node-tests/http2.ts b/types/node/node-tests/http2.ts
index a41bfa7c10eb32..fb62fe5179d64b 100644
--- a/types/node/node-tests/http2.ts
+++ b/types/node/node-tests/http2.ts
@@ -240,7 +240,7 @@ import { URL } from "node:url";
     const s1: Server = http2Server;
     const s2: Server = http2SecureServer;
     [http2Server, http2SecureServer].forEach((server) => {
-        server.on("sessionError", (err: Error) => {});
+        server.on("sessionError", (err: Error, session: ServerHttp2Session) => {});
         server.on("session", (session: ServerHttp2Session) => {});
         server.on("checkContinue", (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => {});
         server.on(
diff --git a/types/node/v20/http2.d.ts b/types/node/v20/http2.d.ts
index 9c69a191c0444e..319b16517d65e3 100644
--- a/types/node/v20/http2.d.ts
+++ b/types/node/v20/http2.d.ts
@@ -1381,7 +1381,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        addListener(event: "sessionError", listener: (err: Error) => void): this;
+        addListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         addListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1398,7 +1404,11 @@ declare module "http2" {
             event: "session",
             session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
         ): boolean;
-        emit(event: "sessionError", err: Error): boolean;
+        emit(
+            event: "sessionError",
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): boolean;
         emit(event: "stream", stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
         emit(event: "timeout"): boolean;
         emit(event: string | symbol, ...args: any[]): boolean;
@@ -1414,7 +1424,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        on(event: "sessionError", listener: (err: Error) => void): this;
+        on(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         on(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1433,7 +1449,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        once(event: "sessionError", listener: (err: Error) => void): this;
+        once(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         once(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1452,7 +1474,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1471,7 +1499,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependOnceListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependOnceListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependOnceListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1497,7 +1531,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        addListener(event: "sessionError", listener: (err: Error) => void): this;
+        addListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         addListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1515,7 +1555,11 @@ declare module "http2" {
             event: "session",
             session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
         ): boolean;
-        emit(event: "sessionError", err: Error): boolean;
+        emit(
+            event: "sessionError",
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): boolean;
         emit(event: "stream", stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
         emit(event: "timeout"): boolean;
         emit(event: "unknownProtocol", socket: tls.TLSSocket): boolean;
@@ -1532,7 +1576,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        on(event: "sessionError", listener: (err: Error) => void): this;
+        on(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         on(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1552,7 +1602,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        once(event: "sessionError", listener: (err: Error) => void): this;
+        once(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         once(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1572,7 +1628,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1592,7 +1654,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependOnceListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependOnceListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependOnceListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
diff --git a/types/node/v20/test/http2.ts b/types/node/v20/test/http2.ts
index ce346c5a2ad7f8..8f5f44b6f4ff46 100644
--- a/types/node/v20/test/http2.ts
+++ b/types/node/v20/test/http2.ts
@@ -239,7 +239,7 @@ import { URL } from "node:url";
     const s1: Server = http2Server;
     const s2: Server = http2SecureServer;
     [http2Server, http2SecureServer].forEach((server) => {
-        server.on("sessionError", (err: Error) => {});
+        server.on("sessionError", (err: Error, session: ServerHttp2Session) => {});
         server.on("session", (session: ServerHttp2Session) => {});
         server.on("checkContinue", (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => {});
         server.on("stream", (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => {});
diff --git a/types/node/v22/http2.d.ts b/types/node/v22/http2.d.ts
index 0dcc1d90fc7ef8..2e24a30ab506bc 100644
--- a/types/node/v22/http2.d.ts
+++ b/types/node/v22/http2.d.ts
@@ -1394,7 +1394,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        addListener(event: "sessionError", listener: (err: Error) => void): this;
+        addListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         addListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1411,7 +1417,11 @@ declare module "http2" {
             event: "session",
             session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
         ): boolean;
-        emit(event: "sessionError", err: Error): boolean;
+        emit(
+            event: "sessionError",
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): boolean;
         emit(event: "stream", stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
         emit(event: "timeout"): boolean;
         emit(event: string | symbol, ...args: any[]): boolean;
@@ -1427,7 +1437,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        on(event: "sessionError", listener: (err: Error) => void): this;
+        on(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         on(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1446,7 +1462,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        once(event: "sessionError", listener: (err: Error) => void): this;
+        once(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         once(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1465,7 +1487,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1484,7 +1512,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependOnceListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependOnceListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependOnceListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1510,7 +1544,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        addListener(event: "sessionError", listener: (err: Error) => void): this;
+        addListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         addListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1528,7 +1568,11 @@ declare module "http2" {
             event: "session",
             session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
         ): boolean;
-        emit(event: "sessionError", err: Error): boolean;
+        emit(
+            event: "sessionError",
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): boolean;
         emit(event: "stream", stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
         emit(event: "timeout"): boolean;
         emit(event: "unknownProtocol", socket: tls.TLSSocket): boolean;
@@ -1545,7 +1589,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        on(event: "sessionError", listener: (err: Error) => void): this;
+        on(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         on(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1565,7 +1615,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        once(event: "sessionError", listener: (err: Error) => void): this;
+        once(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         once(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1585,7 +1641,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1605,7 +1667,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependOnceListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependOnceListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependOnceListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
diff --git a/types/node/v22/test/http2.ts b/types/node/v22/test/http2.ts
index 2989c8a82b8f36..55933cfd442139 100644
--- a/types/node/v22/test/http2.ts
+++ b/types/node/v22/test/http2.ts
@@ -241,7 +241,7 @@ import { URL } from "node:url";
     const s1: Server = http2Server;
     const s2: Server = http2SecureServer;
     [http2Server, http2SecureServer].forEach((server) => {
-        server.on("sessionError", (err: Error) => {});
+        server.on("sessionError", (err: Error, session: ServerHttp2Session) => {});
         server.on("session", (session: ServerHttp2Session) => {});
         server.on("checkContinue", (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => {});
         server.on("stream", (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => {});
diff --git a/types/node/v24/http2.d.ts b/types/node/v24/http2.d.ts
index c90af90537688f..635af7404d747f 100644
--- a/types/node/v24/http2.d.ts
+++ b/types/node/v24/http2.d.ts
@@ -1475,7 +1475,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        addListener(event: "sessionError", listener: (err: Error) => void): this;
+        addListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         addListener(
             event: "stream",
             listener: (
@@ -1497,7 +1503,11 @@ declare module "http2" {
             event: "session",
             session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
         ): boolean;
-        emit(event: "sessionError", err: Error): boolean;
+        emit(
+            event: "sessionError",
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): boolean;
         emit(
             event: "stream",
             stream: ServerHttp2Stream,
@@ -1519,7 +1529,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        on(event: "sessionError", listener: (err: Error) => void): this;
+        on(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         on(
             event: "stream",
             listener: (
@@ -1543,7 +1559,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        once(event: "sessionError", listener: (err: Error) => void): this;
+        once(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         once(
             event: "stream",
             listener: (
@@ -1567,7 +1589,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependListener(
             event: "stream",
             listener: (
@@ -1591,7 +1619,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependOnceListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependOnceListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependOnceListener(
             event: "stream",
             listener: (
@@ -1622,7 +1656,11 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        addListener(event: "sessionError", listener: (err: Error) => void): this;
+        addListener(
+            event: "sessionError",
+            listener: (err: Error) => void,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): this;
         addListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1640,7 +1678,11 @@ declare module "http2" {
             event: "session",
             session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
         ): boolean;
-        emit(event: "sessionError", err: Error): boolean;
+        emit(
+            event: "sessionError",
+            err: Error,
+            session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+        ): boolean;
         emit(event: "stream", stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
         emit(event: "timeout"): boolean;
         emit(event: "unknownProtocol", socket: tls.TLSSocket): boolean;
@@ -1657,7 +1699,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        on(event: "sessionError", listener: (err: Error) => void): this;
+        on(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         on(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1677,7 +1725,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        once(event: "sessionError", listener: (err: Error) => void): this;
+        once(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         once(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1697,7 +1751,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
@@ -1717,7 +1777,13 @@ declare module "http2" {
             event: "session",
             listener: (session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>) => void,
         ): this;
-        prependOnceListener(event: "sessionError", listener: (err: Error) => void): this;
+        prependOnceListener(
+            event: "sessionError",
+            listener: (
+                err: Error,
+                session: ServerHttp2Session<Http1Request, Http1Response, Http2Request, Http2Response>,
+            ) => void,
+        ): this;
         prependOnceListener(
             event: "stream",
             listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void,
diff --git a/types/node/v24/test/http2.ts b/types/node/v24/test/http2.ts
index a41bfa7c10eb32..fb62fe5179d64b 100644
--- a/types/node/v24/test/http2.ts
+++ b/types/node/v24/test/http2.ts
@@ -240,7 +240,7 @@ import { URL } from "node:url";
     const s1: Server = http2Server;
     const s2: Server = http2SecureServer;
     [http2Server, http2SecureServer].forEach((server) => {
-        server.on("sessionError", (err: Error) => {});
+        server.on("sessionError", (err: Error, session: ServerHttp2Session) => {});
         server.on("session", (session: ServerHttp2Session) => {});
         server.on("checkContinue", (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => {});
         server.on(