CVE-2026-87022
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling when per-message-deflate is used.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121.
The following versions were EOS at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.56 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.1.22, which fix the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 <= 11.0.25 | affected |
| Apache Software Foundation | Apache Tomcat | 10.1.0-M1 <= 10.1.59 | affected |
| Apache Software Foundation | Apache Tomcat | 9.0.0.M1 <= 9.0.121 | affected |
| Apache Software Foundation | Apache Tomcat | 8.5.0 <= 8.5.100 | affected |
| Apache Software Foundation | Apache Tomcat | 7.0.56 <= 7.0.109 | affected |
Weaknesses
- CWE-130: CWE-130 Improper handling of length parameter inconsistency
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.