CVE-2026-52844

Published June 23rd, 2026

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CVSS v3

7.5

HIGH

CVSS v2

N/A

Affected

PROJECT

Description

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 file_server later resolves the same request path as private\secret.txt on disk. An unauthenticated remote client can bypass Caddy path-scoped auth/deny routes protecting /private/*. This vulnerability is fixed in 2.11.4.

caddyserver/caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

GitHub

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