Improper Handling of URL Encoding (Hex Encoding) Affecting tomcat-admin-webapps package, versions <9.0.120-150200.114.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.37% (30th percentile)

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  • Snyk IDSNYK-SLES155-TOMCATADMINWEBAPPS-18468178
  • published30 Jul 2026
  • disclosed30 Jul 2026

Introduced: 30 Jul 2026

NewCVE-2026-59083  (opens in a new tab)
CWE-177  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 tomcat-admin-webapps to version 9.0.120-150200.114.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-admin-webapps package and not the tomcat-admin-webapps package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.

Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.

CVSS Base Scores

version 3.1