{"action":"Upgrade github.com/traefik/traefik/v2 to 2.11.42 or later.","affected":[{"fixed":"2.11.42","introduced":"0"}],"component":"github.com/traefik/traefik/v2","cve_ids":[],"ecosystem":"Go","exploited":false,"fixed_versions":["2.11.42"],"ghsa_id":"GHSA-46wh-3698-f2cx","id":"tcs_01M5KGGVMX38JVCJNK25XAHTZQ","modified_at":"2026-04-07T03:44:12.238744185Z","published_at":"2026-04-02T18:42:30Z","references":["https://osv.dev/vulnerability/GO-2026-4897","https://github.com/traefik/traefik/security/advisories/GHSA-46wh-3698-f2cx","https://github.com/advisories/GHSA-p77j-4mvh-x3m3","https://github.com/traefik/traefik/blob/67c64ed9b25fbb90f1086977a62827133a7aa01b/go.mod#L108","https://github.com/traefik/traefik/releases/tag/v2.11.42","https://github.com/traefik/traefik/releases/tag/v3.6.12","https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.3"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4897#Go/github.com/traefik/traefik/v2","url":"https://osv.dev/vulnerability/GO-2026-4897"}],"summary":"Traefik: Deny Rule Bypass via Unauthenticated Malicious gRPC Requests in gRPC-Go Dependency (CVE-2026-33186) in github.com/traefik/traefik"}