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Critical severity9.8NVD Advisory· Published May 12, 2026· Updated Jun 17, 2026

CVE-2026-43512

CVE-2026-43512

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.tomcat.embed:tomcat-embed-coreMaven
< 9.0.1189.0.118
org.apache.tomcat.embed:tomcat-embed-coreMaven
>= 10.1.0-M1, < 10.1.5510.1.55
org.apache.tomcat.embed:tomcat-embed-coreMaven
>= 11.0.0-M1, < 11.0.2211.0.22
org.apache.tomcat:tomcatMaven
< 9.0.1189.0.118
org.apache.tomcat:tomcatMaven
>= 10.1.0-M1, < 10.1.5510.1.55
org.apache.tomcat:tomcatMaven
>= 11.0.0-M1, < 11.0.2211.0.22
org.apache.tomcat:tomcat-catalinaMaven
< 9.0.1189.0.118
org.apache.tomcat:tomcat-catalinaMaven
>= 10.1.0-M1, < 10.1.5510.1.55
org.apache.tomcat:tomcat-catalinaMaven
>= 11.0.0-M1, < 11.0.2211.0.22

Affected products

46

Patches

Vulnerability mechanics

References

10

News mentions

3