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Servers and applications

CVE-2026-73180

Insufficient 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…

Severity
Medium 6.8
Published
25 Aug 2026
Last changed
27 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.121, 10.1.58, 11.0.25
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 7.0.43 up to 7.0.109
  • From 8.5.0 before 9.0.121
  • From 10.1.0 before 10.1.58
  • From 11.0.0 before 11.0.25

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-73180
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-73180