CVE-2026-43512 PUBLISHED

Apache Tomcat: Digest authenticator will authenticate any unknown user

Assigner: apache
Reserved: 01.05.2026 Published: 12.05.2026 Updated: 12.05.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache Tomcat
Versions Default: unaffected
  • affected from 11.0.0-M1 to 11.0.21 (incl.)
  • affected from 10.1.0-M1 to 10.1.54 (incl.)
  • affected from 9.0.0.M1 to 9.0.117 (incl.)
  • affected from 8.5.0 to 8.5.100 (incl.)
  • affected from 7.0.0 to 7.0.109 (incl.)
  • unknown from 0 to 7.0.0 (excl.)

References

Problem Types

  • CWE-592 DEPRECATED: Authentication Bypass Issues CWE