CVE-2026-33006

4.8 MEDIUM 0.6% exploit odds Fix listed Other Server

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-04 15:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-26 19:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-04 15:16 UTC
Last modified: 2026-10-26 19:10 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-208
Record status: Analyzed

Affected

Apache Http Server < 2.4.67

Attack profile CVSS 3.1 · 4.8

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

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

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Fix and advisories

https://httpd.apache.org/security/vulnerabilities_24.html

References

NVD record · CVE.org record