PT-2026-53744 · Apache · Apache Tomcat
Mark Thomas
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Published
2026-06-29
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Updated
2026-06-29
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CVE-2026-55955
None
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Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.
Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.
Improper Authentication
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Weakness Enumeration
Related Identifiers
Affected Products
Apache Tomcat