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.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/04/21	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

History

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Un ataque de temporización contra mod_auth_digest en el Servidor HTTP Apache 2.4.66 permite una omisión de la autenticación Digest por un atacante remoto. Se recomienda a los usuarios actualizar a la versión 2.4.67, que corrige este problema.

Information

Published : 2026-05-04 15:16

Updated : 2026-10-26 19:10

NVD link : CVE-2026-33006

Mitre link : CVE-2026-33006

CVE.ORG link : CVE-2026-33006

JSON object : View

Products Affected

apache

http_server

CWE

CWE-208

Observable Timing Discrepancy

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