GO-2026-5346 Caddy: FastCGI header normalization bypass in forward_auth copy_headers in github.com/caddyserver/caddy

Caddy: FastCGI header normalization bypass in forwardauth copyheaders in github.com/caddyserver/caddy...

CVE-2026-30851 Caddy forward_auth copy_headers Does Not Strip Client-Supplied Headers, Allowing Identity Injection and Privilege Escalation

Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forwardauth copyheaders does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2...