CVE-2025-58098: Apache HTTP Server

High severity, CVSS 8.3. EPSS: 1.4% chance of exploitation in the next 30 days.

Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

Affected products

• Apache HTTP Server: before 2.4.66 (fixed in 2.4.66)

Published 2025-12-05. Last modified 2026-09-25.