{"id":"ALPINE-CVE-2026-30851","details":"Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forward_auth copy_headers does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2.","modified":"2026-11-03T06:32:53.777082203Z","published":"2026-03-07T17:15:52.540Z","upstream":["CVE-2026-30851"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2026-30851"}],"affected":[{"package":{"name":"caddy","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/caddy?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.10.0"},{"fixed":"2.11.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-30851.json"}},{"package":{"name":"caddy","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/caddy?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.10.0"},{"fixed":"2.11.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-30851.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}