Vulnerability Details CVE-2026-30851
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.9%
CVSS Severity
CVSS v3 Score 8.1