CVE-2025-54090 Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64

What is CVE-2025-54090?

CVE-2025-54090 is a medium-severity vulnerability in Apache Http Server, published on 23 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true".

Users are recommended to upgrade to version 2.4.65, which fixes the issue.

Weakness: CWE-253

Which versions are affected by CVE-2025-54090?

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

Products include Apache Http Server.

How do I fix CVE-2025-54090?

Upgrade apache to 2.4.65 or later.

Is CVE-2025-54090 being exploited?

There is no known exploitation of CVE-2025-54090 in the wild and no public exploit code.

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-2025-54090, AZL-65654, BELL-CVE-2025-54090, BIT-apache-2025-54090, DEBIAN-CVE-2025-54090, GHSA-cjqj-vhhm-xq5x and 2 more.