{"id":"EUVD-2026-47645","revision":"845a6a8f25094eb1aa574b6c8c201be1","records":[{"revision":"845a6a8f25094eb1aa574b6c8c201be1","observedAt":"2026-10-28T08:43:53.076+00:00","statement":{"source":"euvd","id":"EUVD-2026-47645","aliases":["CVE-2026-65601","GHSA-6mxq-jr92-3h2r","GHSA-qq9q-x9w4-chhj"],"title":"Traefik versions 3.7.0 through 3.7.6 contain a namespace confusion vulnerability in the Kubernetes Gateway API provider. When resolving HTTPRoute.spec.rules[].backendRefs[].filters[].extensionRef, Traefik used the backend Service namespace …","description":"Traefik versions 3.7.0 through 3.7.6 contain a namespace confusion vulnerability in the Kubernetes Gateway API provider. When resolving HTTPRoute.spec.rules[].backendRefs[].filters[].extensionRef, Traefik used the backend Service namespace instead of the HTTPRoute namespace. A low-privileged route author holding a ReferenceGrant for a cross-namespace Service could therefore bind a Traefik Middleware from the backend namespace without a separate grant for that middleware, potentially injecting trusted reverse-proxy identity headers into downstream requests. The issue is fixed in version 3.7.7.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","score":5.3,"severity":null}],"references":["https://github.com/traefik/traefik/security/advisories/GHSA-qq9q-x9w4-chhj","https://github.com/traefik/traefik/commit/26c96a3935cafb473f4a5bae1886560d9aa4e4f0","https://www.vulncheck.com/advisories/traefik-before-namespace-confusion-via-httproute-extensionref"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-47645","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 22, 2026, 11:21:47 AM","dateUpdated":"Oct 8, 2026, 3:51:40 PM"},"relatedAdvisories":[{"id":"RHSA-2026:62260","title":"Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.30.0 Release.","vulnerabilityIds":["CVE-2025-55163","CVE-2026-8286","CVE-2026-9277","CVE-2026-9547","CVE-2026-9563","CVE-2026-10050","CVE-2026-10051","CVE-2026-12143","CVE-2026-12151","CVE-2026-13149","CVE-2026-15075","CVE-2026-15076","CVE-2026-27136","CVE-2026-34986","CVE-2026-39820","CVE-2026-39831","CVE-2026-39835","CVE-2026-40898","CVE-2026-40983","CVE-2026-40984","CVE-2026-41242","CVE-2026-41695","CVE-2026-41716","CVE-2026-42264","CVE-2026-42499","CVE-2026-44705","CVE-2026-45149","CVE-2026-45416","CVE-2026-45623","CVE-2026-45674","CVE-2026-46597","CVE-2026-46681","CVE-2026-47691","CVE-2026-48020","CVE-2026-48068","CVE-2026-48491","CVE-2026-49978","CVE-2026-50010","CVE-2026-50193","CVE-2026-53488","CVE-2026-53492","CVE-2026-53622","CVE-2026-54399","CVE-2026-54428","CVE-2026-54512","CVE-2026-54513","CVE-2026-54763","CVE-2026-55831","CVE-2026-55833","CVE-2026-56745","CVE-2026-56746","CVE-2026-56819","CVE-2026-59296","CVE-2026-59869","CVE-2026-59873","CVE-2026-59874","CVE-2026-59877","CVE-2026-59888","CVE-2026-59899","CVE-2026-65600","CVE-2026-65601","CVE-2026-67213","CVE-2026-67214","CVE-2026-68494","CVE-2026-69152","CVE-2026-69153","CVE-2026-73086","CVE-2026-73566","CVE-2026-73646","CVE-2026-75838"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-47645","identifiers":["EUVD-2026-47645","CVE-2026-65601","GHSA-6mxq-jr92-3h2r","GHSA-qq9q-x9w4-chhj"]},"retained":false,"historicalAffected":[]}],"coverage":[]}