CVE-2026-42498
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Summary
Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 <= 11.0.21 | affected |
| Apache Software Foundation | Apache Tomcat | 10.1.0-M1 <= 10.1.54 | affected |
| Apache Software Foundation | Apache Tomcat | 9.0.2 <= 9.0.117 | affected |
| Apache Software Foundation | Apache Tomcat | 8.5.24 <= 8.5.100 | affected |
| Apache Software Foundation | Apache Tomcat | 7.0.83 <= 7.0.109 | affected |
Weaknesses
- CWE-200: CWE-200 Exposure of HTTP Authentication Header to unexpected hosts
ADP Enrichment
CVE Program Container
Additional References
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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