{"action":"Upgrade github.com/traefik/traefik/v2 to 2.11.54 or later.","affected":[{"fixed":"2.11.54","introduced":"0"}],"component":"github.com/traefik/traefik/v2","cve_ids":["CVE-2026-71325"],"ecosystem":"Go","epss":0.00155,"exploited":false,"fixed_versions":["2.11.54"],"ghsa_id":"GHSA-62fc-8686-hfmq","id":"tcs_01M5KGSDB9EDM6TYDFMDTZBPNN","modified_at":"2026-08-18T15:00:24.540873843Z","published_at":"2026-08-18T14:32:29Z","references":["https://osv.dev/vulnerability/GO-2026-6203","https://github.com/traefik/traefik/security/advisories/GHSA-62fc-8686-hfmq","https://github.com/traefik/traefik/commit/65ebf4b47fbdc33e3856803a5844a404e094d52d","https://github.com/traefik/traefik/releases/tag/v2.11.54","https://github.com/traefik/traefik/releases/tag/v3.6.25","https://github.com/traefik/traefik/releases/tag/v3.7.10"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-6203#Go/github.com/traefik/traefik/v2","url":"https://osv.dev/vulnerability/GO-2026-6203"}],"summary":"Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef in github.com/traefik/traefik"}