Vulnerability Description
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 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 7.0.43, <= 7.0.109 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/3j15vztszpyqss253mjq5v1kp7s6hooqVendor AdvisoryMailing List
- http://www.openwall.com/lists/oss-security/2026/08/26/10Third Party AdvisoryMailing List
FAQ
What is CVE-2026-73180?
CVE-2026-73180 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 a...
How severe is CVE-2026-73180?
CVE-2026-73180 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-73180?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat.