CVE-2026-59797 Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function

Critical 9.8 Published Updated

Attackers can escalate privileges via mod_ssl SSLRequire expressions in Apache HTTP Server when specific configurations are enabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-59797?

CVE-2026-59797 is a critical vulnerability in Apache Http Server, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions.

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

Weakness: CWE-269

Which versions are affected by CVE-2026-59797?

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

PackageAffectedFixed in
apache BitnamiFrom 2.4.02.4.69

Products include Apache Http Server.

How do I fix CVE-2026-59797?

Upgrade apache to 2.4.69 or later.

Is CVE-2026-59797 being exploited?

There is no known exploitation of CVE-2026-59797 in the wild and no public exploit code.

All Apache Http Server vulnerabilities

Sources

Also known as ALPINE-CVE-2026-59797, AZL-106782, BELL-CVE-2026-59797, BIT-apache-2026-59797, DEBIAN-CVE-2026-59797, ECHO-3371-0819-2138 and 4 more.

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