Security Advisory

CVE-2026-42498

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-12 15:17:56

Last updated 2026-05-13 15:59:04

Assigner apache

CVSS score not scored

State PUBLISHED

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.

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