CVE-2026-33006

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.

PUBLISHED Reserved 2026-03-17 | Published 2026-05-04 | Updated 2026-05-04 | Assigner apache

Problem types

CWE-208 Observable Timing Discrepancy

Product status

Timeline

Credits

Nitescu Lucian finder

References

www.openwall.com/lists/oss-security/2026/05/04/21

httpd.apache.org/security/vulnerabilities_24.html vendor-advisory

cve.org (CVE-2026-33006)

nvd.nist.gov (CVE-2026-33006)

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