HomeDefault status
unaffected
Any version before 2.4.66
affected
Description
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.
Problem types
CWE-201 Insertion of Sensitive Information Into Sent Data
Product status
Any version before 2.4.66
Timeline
| 2025-08-21: | Reported to security team |
| 2025-12-01: | fixed in 2.4.x by r1930165 |
Credits
Anthony Parfenov (United Rentals, Inc.)
References
www.openwall.com/lists/oss-security/2025/12/04/5
httpd.apache.org/security/vulnerabilities_24.html