{"id":"GO-2026-5346","revision":"75f5b9fe8ca240fdb310b98c66c011aa","records":[{"revision":"75f5b9fe8ca240fdb310b98c66c011aa","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5346","aliases":["CVE-2026-52845","GHSA-f59h-q822-g45g"],"title":"Caddy: FastCGI header normalization bypass in forward_auth copy_headers in github.com/caddyserver/caddy","description":"Caddy: FastCGI header normalization bypass in forward_auth copy_headers in github.com/caddyserver/caddy","state":0,"publishedAt":"2026-07-24T18:35:55+00:00","modifiedAt":"2026-07-24T19:00:22.820653+00:00","affected":[{"ecosystem":"Go","name":"github.com/caddyserver/caddy/v2","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.11.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/caddyserver/caddy/security/advisories/GHSA-f59h-q822-g45g","https://github.com/caddyserver/caddy/pull/7633"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5346","license":"OSV · upstream source license applies","key":"osv:GO-2026-5346","identifiers":["GO-2026-5346","CVE-2026-52845","GHSA-f59h-q822-g45g"]},"retained":false,"historicalAffected":[]}],"coverage":[]}