{"schema":"threatline.record/2","record":{"id":"CVE-2026-114640","aliases":["GHSA-mwrr-6hp4-pxr6"],"summary":"Traefik v3.7.0 before v3.7.14 mTLS Header Spoofing via Ingress-NGINX HTTP Router","details":"Traefik from v3.7.0 before v3.7.14 contains an authentication bypass vulnerability in its Kubernetes Ingress-NGINX provider that forwards client-supplied Ssl-Client-* headers on the plaintext HTTP router. When ssl-redirect is disabled alongside auth-tls-pass-certificate-to-upstream, unauthenticated attackers can send Ssl-Client-Verify: SUCCESS with a chosen certificate subject and issuer to impersonate mTLS identities.","categories":["Unclassified"],"product":"traefik","vendor":"traefik","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-114640","source_modified_at":"2026-10-22T01:43:39.899Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"traefik","vendor":"traefik","versions":[{"version":"3.7.0","status":"affected","versionType":"semver","lessThan":"3.7.14"},{"version":"3.7.14","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-114640","source_modified_at":"2026-10-22T01:43:39.899Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"traefik","ecosystem":null},"version":"3.7.14","basis":"first unaffected version stated in the CVE record"}],"cvss":7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00202,"percentile":0.09597,"score_date":"2026-10-23"},"published_at":"2026-10-22T01:43:39.899Z","modified_at":"2026-10-22T01:43:39.899Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-114640","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T01:43:39.899Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114640","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/traefik/traefik/security/advisories/GHSA-mwrr-6hp4-pxr6","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/traefik-3.7.0-before-3.7.14-mtls-header-spoofing-via-ingress-nginx-http-router","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-22T01:43:39.899Z","content_hash":"82eec5d56a7035b6c06a47e63577780024abdebbcebfcaa4dcd34d1334f236d8"}}