{"action":"Upgrade github.com/traefik/traefik/v2 to 2.11.51 or later.","affected":[{"fixed":"2.11.51","introduced":"0"}],"component":"github.com/traefik/traefik/v2","cve_ids":["CVE-2026-53622"],"ecosystem":"Go","epss":0.00629,"exploited":false,"fixed_versions":["2.11.51"],"ghsa_id":"GHSA-9cr8-q42q-g8m7","id":"tcs_01M5KF5D55KKVWR2FXWYYAPV23","modified_at":"2026-09-10T03:50:49.229969907Z","published_at":"2026-06-16T21:04:29Z","references":["https://osv.dev/vulnerability/GHSA-9cr8-q42q-g8m7","https://github.com/traefik/traefik/security/advisories/GHSA-9cr8-q42q-g8m7","https://nvd.nist.gov/vuln/detail/CVE-2026-53622","https://github.com/traefik/traefik/pull/13214","https://access.redhat.com/errata/RHSA-2026:62260","https://access.redhat.com/security/cve/CVE-2026-53622","https://bugzilla.redhat.com/show_bug.cgi?id=2491924","https://community.traefik.io/t/new-security-update-for-traefik-2-11-2-11-48-3-6-3-6-19-and-3-7-3-7-3/29917","https://github.com/traefik/traefik","https://github.com/traefik/traefik/compare/v3.6.17...v3.6.18","https://github.com/traefik/traefik/releases/tag/v3.7.3","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53622.json"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"GHSA-9cr8-q42q-g8m7#Go/github.com/traefik/traefik/v2","url":"https://osv.dev/vulnerability/GHSA-9cr8-q42q-g8m7"}],"summary":"Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts"}