{"id":"GHSA-4hjq-9h5c-252j","aliases":["GO-2026-4684"],"status":"published","title":"Traefik: HTTP/2 frames can cause a running server to panic","description":"## Summary\n\nMore Details:\n- https://nvd.nist.gov/vuln/detail/CVE-2026-27141\n- https://pkg.go.dev/golang.org/x/net/http2?tab=versions\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v3.6.10\n- https://github.com/traefik/traefik/releases/tag/v2.11.40\n\n## For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).","severity":{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H","level":"high","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2026-03-12T14:48:02Z","modified":"2026-03-23T04:56:29Z","fixes":[{"ecosystem":"Go","package":"github.com/traefik/traefik/v2","fixed_in":["2.11.40"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"github.com/traefik/traefik/v3","fixed_in":["3.6.10"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.11.39"},{"fixed":"2.11.40"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.6.9"},{"fixed":"3.6.10"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.40"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.10"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.40"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/traefik/traefik/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.10"}]}]}],"references":[{"url":"https://github.com/traefik/traefik/security/advisories/GHSA-4hjq-9h5c-252j","tags":["web","advisory"]},{"url":"https://github.com/traefik/traefik/releases/tag/v2.11.40","tags":["web"]},{"url":"https://github.com/traefik/traefik/releases/tag/v3.6.10","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4hjq-9h5c-252j"},{"url":"https://github.com/traefik/traefik","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-4hjq-9h5c-252j","title":"Traefik: HTTP/2 frames can cause a running server to panic","description":"## Summary\n\nMore Details:\n- https://nvd.nist.gov/vuln/detail/CVE-2026-27141\n- https://pkg.go.dev/golang.org/x/net/http2?tab=versions\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v3.6.10\n- https://github.com/traefik/traefik/releases/tag/v2.11.40\n\n## For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).","status":"published","published":"2026-03-12T14:48:02Z","modified":"2026-03-12T14:48:03Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:39:35.644357Z"}],"osv":[{"id":"GHSA-4hjq-9h5c-252j","title":"Traefik: HTTP/2 frames can cause a running server to panic","description":"## Summary\n\nMore Details:\n- https://nvd.nist.gov/vuln/detail/CVE-2026-27141\n- https://pkg.go.dev/golang.org/x/net/http2?tab=versions\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v3.6.10\n- https://github.com/traefik/traefik/releases/tag/v2.11.40\n\n## For more information\n\nIf you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).","status":"published","published":"2026-03-12T14:48:02Z","modified":"2026-03-23T04:56:29.388432513Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:46:37.148947Z"},{"id":"GO-2026-4684","title":"Traefik: HTTP/2 frames can cause a running server to panic in github.com/traefik/traefik","description":"Traefik: HTTP/2 frames can cause a running server to panic in github.com/traefik/traefik","status":"published","published":"2026-03-12T20:57:37Z","modified":"2026-03-23T04:52:55.119301Z","updated_at":"2026-11-02T15:47:02.280725Z"}]}}
