Severity: moderate Affected versions:
- Apache HTTP Server 2.4.7 through 2..4.65 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. Credit: Mattias Åsander (Umeå University) (finder) References: https://httpd.apache.org/security/vulnerabilities_24.html https://httpd.apache.org/ https://www.cve.org/CVERecord?id=CVE-2025-66200 Timeline: 2025-11-19: reported 2025-12-01: fixed in 2.4.x by r1930168
