CVE-2026-43512 — Apache Tomcat: Digest authenticator will authenticate any unknown user

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Tomcat	affected 11.0.0-M1 through 11.0.21; affected 10.1.0-M1 through 10.1.54; affected 9.0.0.M1 through 9.0.117; affected 8.5.0 through 8.5.100; affected 7.0.0 through 7.0.109; unknown 0 before 7.0.0

CWE

CWE-592

References

https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/05/12/8

CISA-ADP

No English description supplied.

No references supplied.