Improper Authentication Affecting tomcat11-jsp-4_0-api package, versions <11.0.23-160000.1.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.28% (20th percentile)

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  • Snyk IDSNYK-SLES1600-TOMCAT11JSP40API-18000205
  • published17 Jul 2026
  • disclosed13 Jul 2026

Introduced: 13 Jul 2026

NewCVE-2026-55955  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 tomcat11-jsp-4_0-api to version 11.0.23-160000.1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat11-jsp-4_0-api package and not the tomcat11-jsp-4_0-api package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1