CVE-2026-71327
CVE-2026-71327 · Traefik: Gateway API route identity collision allows cross-namespace backend hijacking
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
Traefik is an open source HTTP reverse proxy and load balancer. From 3.0.0 until 3.6.25 and 3.7.10, Traefik's Kubernetes Gateway API provider in pkg/provider/kubernetes/gateway/httproute.go, grpcroute.go, tcproute.go, and tlsroute.go builds HTTPRoute, GRPCRoute, TCPRoute, and TLSRoute router and service identities by hyphen-concatenating namespace, route name, Gateway identity, entry point, and rule index, allowing colliding Routes to overwrite another namespace's backend. This issue is fixed in 3.6.25 and 3.7.10.
CVSS 7.6 · Élevée · EPSS 0,5%
- Publication
- Mise à jour
Pile logicielle: web
Produits et versions concernés
traefik
- Versions du logiciel
- >= 3.0.0, < 3.6.25: Concernée
- >= 3.7.0, < 3.7.10: Concernée
Aucun correctif publié
Sources originales
- https://github.com/traefik/traefik/security/advisories/GHSA-fgjj-px3w-67xx
- https://github.com/traefik/traefik/pull/13580
- https://github.com/traefik/traefik/commit/a764166656f0cd337f917ac76315c381cca844f9
- https://github.com/traefik/traefik/releases/tag/v3.6.25
- https://github.com/traefik/traefik/releases/tag/v3.7.10
- https://nvd.nist.gov/vuln/detail/CVE-2026-71327