CVE-2026-119572 Traefik 3.7.0-ea.1 before 3.7.15 mTLS Bypass via Ingress NGINX Provider
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-119572?
CVE-2026-119572 is a high-severity vulnerability in traefik, published on 30 Oct 2026.
Official description
Traefik from 3.7.0-ea.1 before 3.7.15 contains an authentication bypass vulnerability in the Kubernetes Ingress NGINX provider that silently disables mTLS configured via the auth-tls-secret annotation. When another Ingress declares a path on the same host without matching auth-tls settings, Traefik falls back to default TLS options, letting unauthenticated attackers reach backends requiring client certificates.
Weakness: CWE-287
Which versions are affected by CVE-2026-119572?
How do I fix CVE-2026-119572?
No fix has been published for CVE-2026-119572 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-119572 being exploited?
There is no known exploitation of CVE-2026-119572 in the wild and no public exploit code.
Sources
Also known as GHSA-432c-8xc8-xf66, GHSA-p8wx-ph99-xgcr.