Apache Tomcat: Digest authenticator will authenticate any unknown user

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Summary

CVECVE-2026-43512
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-12 16:16:17 UTC
Updated2026-05-12 16:37:05 UTC
DescriptionDEPRECATED: 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.

Risk And Classification

Problem Types: CWE-592 | CWE-592 CWE-592 DEPRECATED: Authentication Bypass Issues

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Tomcat affected 11.0.0-M1 11.0.21 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 10.1.0-M1 10.1.54 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 9.0.0.M1 9.0.117 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 8.5.0 8.5.100 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 7.0.0 7.0.109 semver Not specified
CNA Apache Software Foundation Apache Tomcat unknown 7.0.0 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73 [email protected] lists.apache.org
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