Authentication Bypass by Primary Weakness Affecting apache/httpd package, versions [2.4.7,2.4.66-rc1-candidate)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-APACHEHTTPD-14236495
- published9 Dec 2025
- disclosed5 Dec 2025
- creditMattias Åsander
Introduced: 5 Dec 2025
NewCVE-2025-66200 (opens in a new tab)How to fix?
Upgrade apache/httpd to version 2.4.66-rc1-candidate or higher.
Overview
Affected versions of this package are vulnerable to Authentication Bypass by Primary Weakness in mod_userdir, when suexec is enabled and AllowOverride FileInfo is set. An attacker who can modify the .htaccess file in a user directory can alter server behavior by causing CGI scripts to run as the wrong user.