{"id":"CVE-2026-114638","revision":"55b42363726a40a49451c252f84134fb","records":[{"revision":"55b42363726a40a49451c252f84134fb","observedAt":"2026-10-23T16:48:20.594+00:00","statement":{"source":"cve-program","id":"CVE-2026-114638","aliases":[],"title":"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.","state":0,"publishedAt":"2026-10-22T01:43:38.571+00:00","modifiedAt":"2026-10-23T15:08:01.405+00:00","affected":[{"ecosystem":"Vendor product","name":"traefik","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"traefik\",\n                    \"product\": \"traefik\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/traefik/traefik/v3\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.7.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.7.14\"\n                        },\n                        {\n                            \"version\": \"3.7.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","score":7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-rv2h-qh7j-xrjw","https://www.vulncheck.com/advisories/traefik-3.7.0-before-3.7.14-client-ca-mix-up-via-auth-tls-secret-name-collision"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114638","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-114638","identifiers":["CVE-2026-114638"]},"retained":false,"historicalAffected":[]}],"coverage":[]}