{"action":"Upgrade github.com/traefik/traefik/v3 to 3.7.3 or later.","affected":[{"fixed":"3.7.3","introduced":"0"}],"component":"github.com/traefik/traefik/v3","cve_ids":["CVE-2026-53622"],"ecosystem":"Go","epss":0.00629,"exploited":false,"fixed_versions":["3.7.3"],"ghsa_id":"GHSA-9cr8-q42q-g8m7","id":"tcs_01M5KGK8SRP5360VD65YTE2VWD","modified_at":"2026-08-13T03:41:53.812568434Z","published_at":"2026-08-11T20:19:48Z","references":["https://osv.dev/vulnerability/GO-2026-5287","https://github.com/traefik/traefik/security/advisories/GHSA-9cr8-q42q-g8m7","https://github.com/traefik/traefik/releases/tag/v3.7.3"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"GO-2026-5287#Go/github.com/traefik/traefik/v3","url":"https://osv.dev/vulnerability/GO-2026-5287"},{"source":"nvd","source_id":"CVE-2026-53622","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53622"}],"summary":"Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts in github.com/traefik/traefik"}