7.8
Élevée
CVE-2026-32305 Traefik is an HTTP reverse proxy and load balancer
Description
Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 are vulnerable to mTLS bypass through the TLS SNI pre-sniffing logic related to fragmented ClientHello packets. When a TLS ClientHello is fragmented across multiple records, Traefik's SNI extraction may fail with an EOF and return an empty SNI. The TCP router then falls back to the default TLS configuration, which does not require client certificates by default. This allows an attacker to bypass route-level mTLS enforcement and access services that should require mutual TLS authentication. This issue is patched in versions 2.11.41, 3.6.11 and 3.7.0-ea.2.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat OpenShift Dev Spaces 3.27 1776718585 | premières → < 1776718585 | 1776718585 |
| Red Hat OpenShift Dev Spaces 3.28 1779786779 | premières → < 1779786779 | 1779786779 |
| Red Hat OpenShift GitOps | Versions non publiées | |
| traefik 3.7 | 3.7.0-ea.1 → < 3.7.0-ea.2 | 3.7.0-ea.2 |
| traefik 3.0 | 3.0.0-beta1 → < 3.6.11 | 3.6.11 |
| traefik 2.11 | premières → < 2.11.41 | 2.11.41 |
Références
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
Chronologie
- Publiée
- Dernière modification
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