Information Disclosure org.apache.tomcat:tomcat-websocket Dependency in Jira Service Management Data Center and Server

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 11.3.7, 10.3.22
    • Affects Version/s: 5.16.0, 5.17.0, 10.0.1, 10.1.1, 10.2.0, 10.3.0, 10.3.1, 10.3.2, 10.3.3, 10.3.4, 10.3.5, 10.3.6, 10.3.7, 10.3.8, 10.3.9, 10.3.10, 10.3.11, 10.3.12, 10.3.13, 10.3.14, 10.3.15, 10.4.0, 10.5.0, 10.6.0, 10.6.1, 10.7.1, 11.0.0, 11.1.0, 11.2.0, 11.3.0, 11.3.1, 11.3.2, 11.3.3, 11.3.4, 11.3.5, 11.3.6, 10.3.16, 10.3.17, 10.3.18, 10.3.19, 10.3.20, 10.3.21
    • Component/s: None
    • 7.3
    • High
    • CVE-2026-42498
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    • Information Disclosure
    • Jira Service Management Data Center, Jira Service Management Server

      This High severity Information Disclosure vulnerability was introduced in versions 5.16.0, 5.17.0, 10.0.1, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center and Server.

      This Information Disclosure vulnerability, with a CVSS Score of 7.3 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability which has low impact to confidentiality, low impact to integrity, low impact to availability, and requires no user interaction.

      Atlassian recommends that Jira Service Management Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

      • Jira Service Management Data Center 11.3: Upgrade to a release greater than or equal to 11.3.7
      • Jira Service Management Data Center 10.3: Upgrade to a release greater than or equal to 10.3.22

      See the release notes (https://confluence.atlassian.com/servicemanagement/jira-service-management-release-notes-780083086.html). You can download the latest version of Jira Service Management Data Center from the download center (https://www.atlassian.com/software/jira/service-management/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: 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.

              Assignee:
              Unassigned
              Reporter:
              Security Metrics Bot
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                Created:
                Updated:
                Resolved: