CVE-2026-33006
Apache HTTP Server: mod_auth_digest timing attack
4.8
MEDIUM
CVSS 3.1
EPSS 0.19%
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.
How to fix CVE-2026-33006
To remediate CVE-2026-33006, upgrade the affected package to a fixed version below.
- Alpine/apache2—upgrade to 2.4.67-r0 or later
- —upgrade to 2.4.67 or later
- —upgrade to 2.4.67-1~deb11u1 or later
Is CVE-2026-33006 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.4.67-r0
- from 0, < 2.4.67
- from 0, < 2.4.67-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |