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org.apache.tomcat/tomcat-websocket 11.0.12… | Sonatype Guide
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maven
org.apache.tomcat
tomcat-websocket
11.0.12
tomcat-websocket 11.0.12
org.apache.tomcat
Published
Oct 1, 2025
•
Policy
compliance
maven Registry
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Recommended Version:
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Overview
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CVSS Score
0.0
10.0
EPSS Score
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8.7
CVE-2026-42498
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
Severity
High
Published
May 13, 2026
