CVE-2026-33006CWE-208

Apache HTTP Server: mod_auth_digest timing attack

Medium · published May 4, 2026

CVSS v3.1
4.8
EPSS
1%
Percentile
45.7
In the wild
Unconfirmed
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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00557 · 45.7th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2026-05-04T14:42Z
EPSS history
Timeline
  • 04 MAY 14:42Z
    Apache HTTP Server: mod_auth_digest timing attack
    cvelistv5