{"id":"CVE-2026-114638","published":"2026-10-22T02:16:56.653","lastModified":"2026-10-23T15:17:27.220","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.","cvssScore":8.7,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","cwes":["CWE-287"],"vendors":[],"products":[],"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-rv2h-qh7j-xrjw","tags":[]},{"url":"https://www.vulncheck.com/advisories/traefik-3.7.0-before-3.7.14-client-ca-mix-up-via-auth-tls-secret-name-collision","tags":[]}],"exploitRefs":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-rv2h-qh7j-xrjw","tags":[]}],"hasPoc":true,"ai":null}