CVE-2026-24072

Apache HTTP Server: mod_rewrite elevation of privileges via ap_expr

State: Published
Severity: 8.8 High
Published: May 4, 2026
Updated: May 5, 2026
Reserved: Jan 21, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
Apache HTTP ServerApache Software Foundation	2.4.66 and earlierAffected

References

https://httpd.apache.org/security/vulnerabilities_24.htmlvendor-advisory
http://www.openwall.com/lists/oss-security/2026/05/04/18

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