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CVE-2026-50229

Apache Tomcat: XSS in number guess example

Published
Last modified
published
Not listed in CISA KEV
Low (apache)
1 proof of concept on GitHub, 1 Nuclei template
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Apache Software Foundation Apache Tomcat

    From 11.0.0-M1 · through 11.0.22; From 10.1.0-M1 · through 10.1.55; From 9.0.0.M1 · through 9.0.118; From 8.5.0 · through 8.5.100; From 7.0.0 · through 7.0.109

References 3

lists.apache.org

GitHub · projectdiscovery/nuclei-templates

GitHub · qsuv/CVE-2026-50229