CVE-2026-33006

MEDIUM

Apache HTTP Server: mod_auth_digest timing attack

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-33006. PoCs published by SimoesCTT.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-33006, leveraging a 33-layer temporal timing attack to bypass Apache mod_auth_digest authentication. The exploit uses exponential priority decay and phase resonance timing to evade detection and recover credentials efficiently.

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.

Exploits (1)

nomisec WORKING POC
by SimoesCTT · poc
https://github.com/SimoesCTT/CTT-enhanced-Apache-mod_auth_digest-timing-attack-exploit

This repository contains a functional exploit for CVE-2026-33006, leveraging a 33-layer temporal timing attack to bypass Apache mod_auth_digest authentication. The exploit uses exponential priority decay and phase resonance timing to evade detection and recover credentials efficiently.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Complex
Reliability
Reliable
Target: Apache HTTP Server 2.4.66 or earlier with mod_auth_digest enabled
No auth needed
Prerequisites: Apache HTTP Server 2.4.66 or earlier with mod_auth_digest enabled · Network access to the target · Python 3.6+ with requests library
devstral-2 · analyzed May 09, 2026 Full analysis →

References (2)

Core 2
Core References

Scores

CVSS v3 4.8
EPSS 0.0019
EPSS Percentile 40.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-208
Status published
Products (2)
apache/http_server < 2.4.67
Apache Software Foundation/Apache HTTP Server < 2.4.66
Published May 04, 2026
Tracked Since May 04, 2026