CVE-2026-55955 (GCVE-0-2026-55955)

Vulnerability from cvelistv5 – Published: 2026-06-29 20:44 – Updated: 2026-06-30 13:22
VLAI?
Title
Apache Tomcat: EncryptInterceptor not protected against replay attacks
Summary
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.
Severity ?
No CVSS data available.
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.22 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.55 (semver)
Affected: 9.0.13 , ≤ 9.0.118 (semver)
Affected: 8.5.38 , ≤ 8.5.100 (semver)
Affected: 7.0.100 , ≤ 7.0.109 (semver)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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