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fix(deps): update module github.com/labstack/echo/v4 to v4.16.3 - #94

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Oct 30, 2026
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This PR contains the following updates:

Package Change Age Confidence
github.com/labstack/echo/v4 v4.16.2 → v4.16.3 age confidence

Release Notes

labstack/echo (github.com/labstack/echo/v4)

v4.16.3

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Security and migration

Applications behind proxies must configure Echo#IPExtractor to trust their own proxies before upgrading. Without an extractor, clients behind one proxy share its address for rate limiting, IP-based access controls, logging, and proxy forwarding. The safe default now ignores client-supplied IP headers.

This release fixes the remaining v4 exposure for:

  • CVE-2026-118651: Proxy always derives upstream X-Real-IP from Context.RealIP(), including after hop-by-hop header stripping and on WebSocket upgrades. One derived identity is preserved across retries.
  • CVE-2026-118653: Context.RealIP() uses the connection peer when IPExtractor is unset, so rotating spoofed forwarded-IP headers cannot create fresh default rate-limit buckets.

Use echo.ExtractIPDirect() without a proxy. Behind a proxy, use ExtractIPFromXFFHeader or ExtractIPFromRealIPHeader with trust restricted to your proxies. Configure the outermost proxy to replace client-supplied identity headers. Explicit extractors and custom rate-limit identifiers retain their behavior.

Migration example with explicit proxy trust ranges

Other changes

  • Resolve bare IPv4 and IPv6 connection addresses without a port.
  • Document v4 support dates (#​3194).

No dependency or minimum Go-version changes; Go 1.26 or later remains required.

The security fix (#​3197) passed independent agent and Claude reviews, full race tests on Go 1.26 and 1.27, and GitHub Linux/macOS/Windows checks.

Full Changelog: labstack/echo@v4.16.2...v4.16.3


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renovate Bot enabled auto-merge (squash) October 30, 2026 05:34
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renovate Bot merged commit 0b69222 into main Oct 30, 2026
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renovate Bot deleted the renovate/github.com-labstack-echo-v4-4.x branch October 30, 2026 05:35
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