CVE-2026-77791
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a DoS attack.
This issue affects Apache Tomcat: from 11.0.0-M5 through 11.0.25, from 10.1.8 through 10.1.59, from 9.0.74 through 9.0.121.
The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.88 through 8.5.100. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M5 <= 11.0.25 | affected |
| Apache Software Foundation | Apache Tomcat | 10.1.8 <= 10.1.59 | affected |
| Apache Software Foundation | Apache Tomcat | 9.0.74 <= 9.0.121 | affected |
| Apache Software Foundation | Apache Tomcat | 8.5.88 <= 8.5.100 | affected |
| Apache Software Foundation | Apache Tomcat | 0 <= 7.0.109 | unaffected |
Weaknesses
- CWE-400: CWE-400 Uncontrolled Resource Consumption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
CVE Program Container
Additional References
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.