Apache Tomcat: Authenticated WebSocket session survives end of HTTP session

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-73180
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-25 22:17:06 UTC
Updated2026-08-25 22:17:06 UTC
DescriptionInsufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP session was changed after a WebSocket connection had been established under that authenticated HTTP session, the WebSokcet session would not be closed as required by the Jakarta WebSocket specification when the HTTP session ended. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

Risk And Classification

Problem Types: CWE-613 | CWE-613 CWE-613 Insufficient Session Expiration

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Tomcat affected 11.0.0-M1 11.0.24 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 10.1.0-M1 10.1.57 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 9.0.0.M1 9.0.120 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 8.5.0 8.5.100 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 7.0.43 7.0.109 semver Not specified
CNA Apache Software Foundation Apache Tomcat unaffected 7.0.43 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/3j15vztszpyqss253mjq5v1kp7s6hooq [email protected] lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: 0xCc.zhang (en)

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