CVE-2026-43512CWE-592

Apache Tomcat: Digest authenticator will authenticate any unknown user

Critical · published May 12, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
67.0
In the wild
Unconfirmed
What it is

DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from before 7.0.0.

Older unsupported versions any also be affect

Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01233 · 67.0th percentile
Weakness
CWE-592 · DEPRECATED: Authentication Bypass Issues
Published
2026-05-12T15:24Z
EPSS history
Timeline
  • 12 MAY 15:24Z
    Apache Tomcat: Digest authenticator will authenticate any unknown user
    cvelistv5