PT-2026-53746 · Apache · Apache Tomcat

Ilan Toyter

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Published

2026-06-29

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Updated

2026-06-29

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CVE-2026-55957

None

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Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.
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Weakness Enumeration

Related Identifiers

CVE-2026-55957

Affected Products

Apache Tomcat