CVE-2026-33006

Medium

Description

A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

SeverityMedium

CVSS4.8

Exploit probability—

Product

Apache Http Server

PublishedMay 4, 2026

First seenMay 4, 2026

Weakness typeCWE-208CWE-208

How to fix

Update

apache http_server2.4.67 or later

Vendor advisories

httpd.apache.org/security/vulnerabilities_24.html

Affected products

Product	Affected versions	Fixed in
apache http_server	v < 2.4.67	2.4.67

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.