CVE-2026-128025

MediumCVSS 6.5/10Last modified Nov 13, 2026

Description

FrankenPHP before 1.13.0 contains a path-split interpretation conflict in splitPos in cgi.go that allows unauthenticated attackers to execute protected PHP scripts by embedding .php inside a filename component. Attackers can request paths like /uploads/a.php.txt/b.php to execute uploads/a.php despite route-level or WAF deny rules and forge PATH_INFO, SCRIPT_NAME, and PHP_SELF values.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-436

Affected software

No affected versions have been published.

Timeline

Published: Nov 13, 2026
Last modified: Nov 13, 2026
NVD status: Deferred

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