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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Thu, 14 May 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Apache tomcat
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| CPEs | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Apache tomcat
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Wed, 13 May 2026 16:15:00 +0000
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| Metrics |
cvssV3_1
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Tue, 12 May 2026 18:30:00 +0000
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| References |
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Tue, 12 May 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Apache
Apache apache Tomcat |
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| Vendors & Products |
Apache
Apache apache Tomcat |
Tue, 12 May 2026 16:00:00 +0000
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| Description | 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. | |
| Title | Apache Tomcat: WebSocket authentication header exposure | |
| Weaknesses | CWE-200 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-05-13T15:59:04.361Z
Reserved: 2026-04-27T22:13:05.647Z
Link: CVE-2026-42498
Updated: 2026-05-12T17:40:58.470Z
Status : Analyzed
Published: 2026-05-12T16:16:17.800
Modified: 2026-05-14T18:51:59.217
Link: CVE-2026-42498
No data.
OpenCVE Enrichment
Updated: 2026-05-13T18:15:16Z