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

What is CVE-2026-24072?

CVE-2026-24072 is a high-severity vulnerability in Apache Http Server, published on 4 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-269

Which versions are affected by CVE-2026-24072?

1 open source package ship an affected version, including apache. It affects 1 product.

Products include Apache Http Server.

How do I fix CVE-2026-24072?

Upgrade apache to 2.4.67 or later.

Is CVE-2026-24072 being exploited?

There is no known exploitation of CVE-2026-24072 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2026-24072, AZL-85998, BELL-CVE-2026-24072, BIT-apache-2026-24072, DEBIAN-CVE-2026-24072, GHSA-9pw3-5ggm-c92r and 1 more.