CVE-2026-77762
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat allows an attacker to inject trailer fields into another HTTP/2 request.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.39 through 9.0.121.
The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.59 through 8.5.100. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.26, 10.1.60, 9.0.122, 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 | 9.0.39 <= 9.0.121 | affected |
| Apache Software Foundation | Apache Tomcat | 8.56.59 <= 8.5.100 | affected |
| Apache Software Foundation | Apache Tomcat | 0 <= 7.0.109 | unaffected |
Weaknesses
- CWE-362: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
References
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