[GHSA-rpf9-hrjr-88fv] Uncontrolled Resource Consumption vulnerability in Apache... - #9019
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August 7, 2026 07:51
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The current advisory does not sufficiently distinguish between the presence of an affected Tomcat version and deployment of the vulnerable functionality.
CVE-2026-66299 is limited to Tomcat's optional WebSocket chat example application. Apache rates the vulnerability Low and explicitly states that installations without the
examplesweb application are not affected. Typical embedded Tomcat applications do not package or deploy this example application.Please clarify this applicability condition and review the current High severity against Apache's authoritative Low vendor assessment. The existing 7.5 vector assumes that the vulnerable example application is installed, remotely reachable, and capable of causing complete availability loss.
No independently calculated replacement CVSS vector is proposed. The request is to reflect the vendor severity and restricted applicability.
Vendor advisory:
https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.25
Fix commit:
apache/tomcat@4e8e3f8