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chore: prepare v5.4.4 proxy hardening release #3201

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vishr merged 1 commit into from
Oct 30, 2026
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chore: prepare v5.4.4 proxy hardening release #3201

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9 changes: 9 additions & 0 deletions CHANGELOG.md
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@@ -1,5 +1,14 @@
# Changelog

## v5.4.4 - 2026-10-29

**Proxy identity hardening**

* Preserve the derived upstream `X-Real-IP` after hop-by-hop header stripping. A client can no longer remove that header with `Connection: X-Real-IP`, including duplicate or mixed-case nominations and WebSocket upgrades.
* Capture the client identity once and preserve it across retries and balancer request replacement. Default and custom transports and extractors remain supported.
* Add permanent regressions for HTTP forwarding, raw WebSocket upgrades, header nominations, and stateful extraction during request-swapping retries. Implementation: [#3200](https://github.com/labstack/echo/pull/3200).

v5 already uses the connection peer by default. This release adds proxy header protection and does not change client-IP configuration or the affected ranges of the earlier default-IP CVEs. A missing identity header can affect an upstream that falls back to an untrusted source; no new client-IP migration, public API, dependency, or minimum Go-version change is introduced.

## v5.4.0 - 2026-09-27

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2 changes: 1 addition & 1 deletion version.go
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Expand Up @@ -5,5 +5,5 @@ package echo

const (
// Version of Echo
Version = "5.4.3"
Version = "5.4.4"
)
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