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CVE PROGRAM SOURCE RECORD7.0 High

CVE-2026-114638

Traefik v3.7.0 before v3.7.14 Client CA Mix-up via auth-tls-secret Name Collision

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

traefik traefik

Default version status: unaffected

  • 3.7.0 to < 3.7.14affected
  • 3.7.14unaffected
pkg:golang/github.com/traefik/traefik/v3

References