CVE-2026-52844 Caddy: Windows `file_server` path authorization bypass via encoded backslash

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, on Windows, Caddy path matchers treat /private\secret.txt as outside /private/, but fileserver later resolves the same request path as private\secret.txt on disk. An unauthenticated remote client can bypass Caddy...

CVE-2026-52844: Improper Limitation of a Pathname to a Restricted Directory

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, on Windows, Caddy path matchers treat /private\secret.txt as outside /private/, but fileserver later resolves the same request path as private\secret.txt on disk. An unauthenticated remote client can bypass Caddy...