{"id":"EUVD-2026-44773","revision":"419180a968b04f629fc560ef4c8ad4ff","records":[{"revision":"419180a968b04f629fc560ef4c8ad4ff","observedAt":"2026-11-07T12:36:44.979+00:00","statement":{"source":"euvd","id":"EUVD-2026-44773","aliases":["CVE-2026-56742","GHSA-w7c2-w76w-5hmj"],"title":"Cilium is a networking, observability, and security solution. Prior to 1.17.17, 1.18.11, and 1.19.5, Cilium clusters using Gateway API allow users with permissions to create or update namespaced HTTPRoutes to mirror HTTP traffic to any Serv…","description":"Cilium is a networking, observability, and security solution. Prior to 1.17.17, 1.18.11, and 1.19.5, Cilium clusters using Gateway API allow users with permissions to create or update namespaced HTTPRoutes to mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism. Gateway API functionality is disabled by default. This issue is fixed in versions 1.17.17, 1.18.11, and 1.19.5.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L","score":5.9,"severity":null}],"references":["https://github.com/cilium/cilium/security/advisories/GHSA-w7c2-w76w-5hmj","https://github.com/cilium/cilium/commit/7422068aff67ac77c7dcc57aa5b9240c91333deb","https://github.com/cilium/cilium/commit/e0b1cef513ff910323f3743e9f3e3d86721e4857","https://github.com/cilium/cilium/commit/f23929cff682d6ed0dc158070812cb302fc0032b","https://github.com/cilium/cilium/commit/fd47963ea394d5e8fa4a88c40a79063430c512ca","https://github.com/cilium/cilium/releases/tag/v1.17.17","https://github.com/cilium/cilium/releases/tag/v1.18.11","https://github.com/cilium/cilium/releases/tag/v1.19.5"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-44773","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 15, 2026, 7:14:07 PM","dateUpdated":"Jul 16, 2026, 12:57:08 PM"},"relatedAdvisories":[],"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-2026-44773","identifiers":["EUVD-2026-44773","CVE-2026-56742","GHSA-w7c2-w76w-5hmj"]},"retained":false,"historicalAffected":[]}],"coverage":[]}