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CVE-2026-66299

Apache Tomcat: DoS via WebSocket chat example PUBLISHED

Description (CNA)

Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue. Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.

Affected (CNA)

Vendor / productVersions
Apache Software Foundation / Apache Tomcataffected 11.0.0-M20 through 11.0.24; affected 10.1.24 through 10.1.57; affected 9.0.89 through 9.0.120; unaffected 0 through 8.5.100

CWE

CWE-400

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.