diff --git a/core/orm/crud_update.go b/core/orm/crud_update.go
index c1926538..7018a027 100644
--- a/core/orm/crud_update.go
+++ b/core/orm/crud_update.go
@@ -16,6 +16,11 @@ func UpdateRecordByID(ctx context.Context, modelName string, id int, values map[
 		return fmt.Errorf("invalid id")
 	}
 	_, err = Update(ctx, modelName, [][]interface{}{{"id", "=", id}}, values)
+	if err == nil && modelName == "core.user" {
+		if v, ok := values["active"]; ok && !AsBool(v) {
+			DestroySessionsForUser(ctx, id)
+		}
+	}
 	return err
 }
 
diff --git a/core/orm/session_revoke.go b/core/orm/session_revoke.go
deleted file mode 100644
index e4d51fdc..00000000
--- a/core/orm/session_revoke.go
+++ /dev/null
@@ -1,14 +0,0 @@
-package orm
-
-import (
-	"context"
-)
-
-// DestroySessionsForUser deletes all DB-backed sessions for a user.
-func DestroySessionsForUser(ctx context.Context, userID int) {
-	if DB == nil || userID <= 0 {
-		return
-	}
-	sessionTable := MustQuotedTableName("sys.session")
-	_, _ = DB.ExecContext(ctx, `DELETE FROM `+sessionTable+` WHERE user_id = $1`, userID)
-}
diff --git a/core/orm/user_password.go b/core/orm/user_password.go
index 7a5da659..86ec802f 100644
--- a/core/orm/user_password.go
+++ b/core/orm/user_password.go
@@ -66,3 +66,11 @@ func SetUserPasswordHash(ctx context.Context, userID int, hash string) error {
 	DestroySessionsForUser(ctx, userID)
 	return nil
 }
+
+func DestroySessionsForUser(ctx context.Context, userID int) {
+	if DB == nil || userID <= 0 {
+		return
+	}
+	tbl := MustQuotedTableName("sys.session")
+	_, _ = DB.ExecContext(ctx, `DELETE FROM `+tbl+` WHERE user_id = $1`, userID)
+}
diff --git a/test/core/orm/user_session_revoke_integration_test.go b/test/core/orm/user_session_revoke_integration_test.go
new file mode 100644
index 00000000..7fffb16d
--- /dev/null
+++ b/test/core/orm/user_session_revoke_integration_test.go
@@ -0,0 +1,121 @@
+//go:build integration
+
+package orm_test
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"os"
+	"testing"
+	"time"
+
+	_ "github.com/lib/pq"
+
+	"sumeru/core/orm"
+)
+
+const testPasswordHash = "$2a$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi"
+
+func integrationCtx() context.Context {
+	ctx := orm.ContextWithBypass(context.Background(), true)
+	return orm.ContextWithUID(ctx, 1)
+}
+
+func initIntegrationDB(t *testing.T) context.Context {
+	t.Helper()
+	dsn := os.Getenv("SUMERU_TEST_DSN")
+	if dsn == "" {
+		t.Skip("SUMERU_TEST_DSN not set")
+	}
+	preflight, err := sql.Open("postgres", dsn)
+	if err != nil {
+		t.Fatalf("open db: %v", err)
+	}
+	if err := preflight.Ping(); err != nil {
+		_ = preflight.Close()
+		t.Fatalf("db ping: %v", err)
+	}
+	_ = preflight.Close()
+
+	orm.InitDBWithPool(dsn, orm.DBPoolSettings{MaxOpenConns: 5, MaxIdleConns: 2})
+	if !orm.IsInitialized() {
+		t.Skip("database schema not bootstrapped (run sumeru -i base)")
+	}
+	return integrationCtx()
+}
+
+func createTestUser(t *testing.T, ctx context.Context) int {
+	t.Helper()
+	userModel, ok := orm.Registry["core.user"]
+	if !ok {
+		t.Fatal("core.user not registered")
+	}
+	login := fmt.Sprintf("sess_revoke_%d", time.Now().UnixNano())
+	userID, err := orm.Create(ctx, userModel, map[string]interface{}{
+		"login": login,
+		"name":  "Session Revoke Test",
+	})
+	if err != nil {
+		t.Fatalf("create test user: %v", err)
+	}
+	return userID
+}
+
+func insertSessions(t *testing.T, ctx context.Context, userID, count int) {
+	t.Helper()
+	sessionTable := orm.MustQuotedTableName("sys.session")
+	for i := 0; i < count; i++ {
+		sid := fmt.Sprintf("test-sid-%d-%d-%d", userID, i, time.Now().UnixNano())
+		_, err := orm.DB.ExecContext(ctx,
+			`INSERT INTO `+sessionTable+` (sid, user_id, expires_at) VALUES ($1, $2, NOW() + interval '1 day')`,
+			sid, userID,
+		)
+		if err != nil {
+			t.Fatalf("insert session: %v", err)
+		}
+	}
+}
+
+func sessionCount(t *testing.T, ctx context.Context, userID int) int {
+	t.Helper()
+	sessionTable := orm.MustQuotedTableName("sys.session")
+	var count int
+	err := orm.DB.QueryRowContext(ctx,
+		`SELECT COUNT(*) FROM `+sessionTable+` WHERE user_id = $1`, userID,
+	).Scan(&count)
+	if err != nil {
+		t.Fatalf("count sessions: %v", err)
+	}
+	return count
+}
+
+func TestPasswordChangeRevokesSessions(t *testing.T) {
+	ctx := initIntegrationDB(t)
+	userID := createTestUser(t, ctx)
+	insertSessions(t, ctx, userID, 2)
+	if sessionCount(t, ctx, userID) != 2 {
+		t.Fatal("expected 2 sessions before password change")
+	}
+	if err := orm.SetUserPasswordHash(ctx, userID, testPasswordHash); err != nil {
+		t.Fatalf("SetUserPasswordHash: %v", err)
+	}
+	if got := sessionCount(t, ctx, userID); got != 0 {
+		t.Fatalf("expected 0 sessions after password change, got %d", got)
+	}
+}
+
+func TestDeactivateUserRevokesSessions(t *testing.T) {
+	ctx := initIntegrationDB(t)
+	userID := createTestUser(t, ctx)
+	insertSessions(t, ctx, userID, 1)
+	if sessionCount(t, ctx, userID) != 1 {
+		t.Fatal("expected 1 session before deactivation")
+	}
+	if err := orm.UpdateRecordByID(ctx, "core.user", userID, map[string]interface{}{"active": false}); err != nil {
+		t.Fatalf("deactivate user: %v", err)
+	}
+	if got := sessionCount(t, ctx, userID); got != 0 {
+		t.Fatalf("expected 0 sessions after deactivation, got %d", got)
+	}
+}