CVE-2026-88008

Traefik is an open source HTTP reverse proxy and load balancer.

Traefik

Traefik is an open source HTTP reverse proxy and load balancer. From 2.11.26 until 2.11.57 and 3.7.13, Traefik forwards a client-supplied Connection header requesting Upgrade, the Upgrade: h2c token, and HTTP2-Settings to a shared backend. If the backend accepts h2c and returns 101 Switching Protocols, Traefik enters a raw tunnel and no longer applies routers, BasicAuth, ForwardAuth, IPAllowList, RateLimit, access logging, metrics, or tracing to later HTTP/2 requests…

10. Sep 2026

Ausgewertete Quellen

• NVD
  CVE-2026-88008
• GitHub
  https://github.com/traefik/traefik/security/advisories/GHSA-w4v4-9rw7-5326