{"action":"Upgrade github.com/traefik/traefik/v3 to 3.6.21 or later.","affected":[{"fixed":"3.6.21","introduced":"0"},{"fixed":"3.7.5","introduced":"3.7.0-ea.1"}],"component":"github.com/traefik/traefik/v3","cve_ids":["CVE-2026-54761"],"ecosystem":"Go","epss":0.00369,"exploited":false,"fixed_versions":["3.6.21","3.7.5"],"ghsa_id":"GHSA-3g6v-2r68-prfc","id":"tcs_01M5KGHR6AS4TZP1820326AHTP","modified_at":"2026-07-02T14:44:24.249287902Z","published_at":"2026-06-25T18:26:48Z","references":["https://osv.dev/vulnerability/GO-2026-5083","https://github.com/traefik/traefik/security/advisories/GHSA-3g6v-2r68-prfc","https://github.com/traefik/traefik/releases/tag/v3.6.21","https://github.com/traefik/traefik/releases/tag/v3.7.5"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5083#Go/github.com/traefik/traefik/v3","url":"https://osv.dev/vulnerability/GO-2026-5083"}],"summary":"Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services in github.com/traefik/traefik"}