CVE-2026-30851

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

CVSS 8.1 HIGHEPSS 0.2%CWE-287 CWE-345

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Productos afectados

caddyserver · caddy

¿Quieres saber si tu infraestructura está expuesta a esto?

Hablar con TrueHacking →

Referencias

https://github.com/caddyserver/caddy/issues/6610 https://github.com/caddyserver/caddy/pull/6608 https://github.com/caddyserver/caddy/pull/7545 https://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4