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CVE-2026-52845

HIGH · CVSS 8.1 EPSS %0.25 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-23T18:18:05.267 · Çekilme zamanı: 2026-06-30T18:30:26.554110+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-52845
Severity
HIGH
CVSS
8.1
EPSS
%0.25

Orijinal NVD Açıklaması

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, forward_auth copy_headers deletes the exact client-supplied identity header before copying the trusted value from the auth gateway. But when the request later goes through php_fastcgi, Caddy normalizes HTTP headers into CGI variables by replacing - with _. This lets a client send an underscore alias that survives the forward_auth delete step but becomes the same PHP/FastCGI variable. Result: a remote client can inject or sometimes override identity/group headers trusted by PHP/FastCGI applications behind Caddy. This vulnerability is fixed in 2.11.4.