CVE-2026-33006

Published May 4, 2026·Updated Jun 17, 2026

NVD 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.

Public Exploits & PoCs1 found

PoC: CTT-enhanced-Apache-mod_auth_digest-timing-attack-exploit

CTT-Enhanced Apache mod_auth_digest Timing Attack — CVE-2026-33006 Remote Digest Authentication Bypass → 33-Layer Temporal Timing Attack Original vulnerability: Apache HTTP Server 2.4.66 (mod_auth_digest timing leak) CTVSS (Original): 4.8 (Medium) CTT-Enhanced CVSS: 7.5 (High) — Network, low complexity, temporal wedge evasion

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References

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