CVE-2025-66200

CVE-2025-66200: Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo

Vendor Apache Software Foundation
Product Apache HTTP Server
Published December 5, 2025
Last update December 5, 2025

CVSS base score

What the vulnerability does

Description

mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

Key dates

Disclosure timeline

December 5, 2025 CVE published
December 5, 2025 Record updated