v2.11.56
HKUDS/Vibe-Tradingv2.11.56Aug 26, 2026by github-actions[bot]
Upgrading?
AI Summary
Patch release for Traefik v2.11 addressing security vulnerabilities and HTTP/3 behavior improvements.
Key Highlights
- Fixes CVEs (GHSA-7ghq-v6jf-g56c, GHSA-rf44-j88r-hh8c)
- Applies HTTP/3 read timeout, idle timeout, and max header bytes
- Adds an entry point option to handle request headers with aliasing names
- Rejects negative weights in TCP and UDP weighted services
New Features
- Header aliasing support for entry points
- Negative weight rejection in TCP/UDP services
Full Release Notes
**Important:** Please read the [migration guide](https://doc.traefik.io/traefik/v2.11/migration/v2/#v21156). **CVE fixed:** - Advisory [GHSA-7ghq-v6jf-g56c](https://github.com/traefik/traefik/security/advisories/GHSA-7ghq-v6jf-g56c) - Advisory [GHSA-rf44-j88r-hh8c](https://github.com/traefik/traefik/security/advisories/GHSA-rf44-j88r-hh8c) **Bug fixes:** - **[http3]** Apply read timeout, idle timeout, and max header bytes for HTTP/3 ([#13717](https://github.com/traefik/traefik/pull/13717) @gndz07) - **[server]** Add an entry point option to handle request headers with aliasing names ([#13720](https://github.com/traefik/traefik/pull/13720) @rtribotte) - **[tcp, udp]** Reject negative weights in TCP and UDP weighted services ([#13749](https://github.com/traefik/traefik/pull/13749) @rtribotte) - Bump etcd client modules to v3.5.33 ([#13756](https://github.com/traefik/traefik/pull/13756) @mmatur)
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