CVE-2026-24072: Apache HTTP Server: mod_rewrite elevation of privileges via ap_expr

[Eric Covener <covener () apache org>]

Severity: moderate 

Affected versions:

- Apache HTTP Server through 2.4.66

Description:

An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to 
read files with the privileges of the httpd user.

Users are recommended to upgrade to version 2.4.67, which fixes this issue.

Credit:

y7syeu (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-24072

Timeline:

2026-01-20: Report received
2026-05-04: fixed in 2.4.x by r1933350