CVE-2026-33006

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.

Score

CVSS 3.1 4.8 Medium

Status

Analyzed - security@apache.org

Published

2026-05-04

Last modified

2026-10-26

Weaknesses

CWE-208

Affected products

• Http Server (Apache)
• Apache Http Server (Apache Software Foundation)

References

• https://httpd.apache.org/security/vulnerabilities_24.html
• http://www.openwall.com/lists/oss-security/2026/05/04/21