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CVE-2026-30851

HIGH CVSS: 8.1 Published: 2026-03-07 Modified: 2026-06-17

Description

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.

Affected Platforms

Caddyserver Caddy

Weakness Type

CWE-287, CWE-345

References