| Package | Affected versions | Patched versions |
|---|---|---|
| traefik | ≥ 3.7.0, < 3.7.14 | 3.7.14 |
Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes Ingress NGINX provider that merges client CAs when auth-tls-secret names collide after dot-to-dash normalization. Attackers holding certificates from another host's CA can access a host requiring its own client CA, while that host's legitimate clients are refused.
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