GHSA-gv8r-9rw9-9697: Traefik affected by TLS ClientAuth Bypass on HTTP/3

February 20, 2026 (updated March 11, 2026)

There is a potential vulnerability in Traefik managing HTTP/3 connections.

More details in the CVE-2025-68121.

References

github.com/advisories/GHSA-gv8r-9rw9-9697
github.com/traefik/traefik
github.com/traefik/traefik/security/advisories/GHSA-gv8r-9rw9-9697

Code Behaviors & Features

Detect and mitigate GHSA-gv8r-9rw9-9697 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →