CVE-2026-50229

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.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Tomcat11.0.0-M1 <= 11.0.22affected
Apache Software FoundationApache Tomcat10.1.0-M1 <= 10.1.55affected
Apache Software FoundationApache Tomcat9.0.0.M1 <= 9.0.118affected
Apache Software FoundationApache Tomcat8.5.0 <= 8.5.100affected
Apache Software FoundationApache Tomcat7.0.0 <= 7.0.109affected
Apache Software FoundationApache Tomcat0 < 7.0.0unknown

Weaknesses

  • CWE-80: CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References