Improper Authentication Affecting tomcat-webapps package, versions <1:9.0.120-1.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.44% (37th percentile)

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  • Snyk IDSNYK-ROCKY8-TOMCATWEBAPPS-20150469
  • published26 Sept 2026
  • disclosed29 Jun 2026

Introduced: 29 Jun 2026

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

How to fix?

Upgrade Rocky-Linux:8 tomcat-webapps to version 1:9.0.120-1.el8_10 or higher.
This issue was patched in RLSA-2026:68677.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-webapps package and not the tomcat-webapps package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 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