Business Logic Vulnerability Apache Tomcat Dependency in Confluence Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 9.2.21, 10.2.13
    • Affects Version/s: 6.13.0, 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0, 8.9.1, 8.9.2, 8.9.3, 8.9.4, 9.1.0, 9.0.1, 8.9.5, 9.0.2, 9.0.3, 8.9.6, 8.9.7, 9.1.1, 8.9.8, 9.2.0, 9.2.1, 9.4.0, 9.3.1, 9.2.2, 9.3.2, 9.2.3, 9.4.1, 9.2.4, 9.2.5, 9.2.6, 9.5.1, 9.5.2, 9.5.3, 9.2.7, 10.1.0, 9.2.8, 10.0.2, 10.0.3, 9.5.4, 9.2.9, 10.1.1, 10.2.0, 9.2.10, 10.1.2, 9.2.11, 9.2.12, 10.2.1, 9.2.13, 10.2.2, 9.2.14, 10.2.3, 9.2.15, 10.2.6, 9.2.17, 10.2.7, 9.2.19, 10.2.10, 10.2.11, 9.2.20
    • Component/s: None
    • 7.5
    • High
    • CVE-2026-43513
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    • Business Logic Vulnerability
    • Confluence Data Center

      This High severity Business Logic vulnerability was introduced in versions 6.13.0, 7.4.0, 7.13.0, 7.19.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0 and 10.2.0 of Confluence Data Center.

      This Business Logic vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has high impact to confidentiality, no impact to integrity, no impact to availability, and requires no user interaction.

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

      Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.21

      Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.13

      See the release notes (Confluence Release Notes | Confluence Data Center 10.2 | Atlassian Documentation). You can download the latest version of Confluence Data Center from the download center (Confluence Server Download Archives | Atlassian).

      The National Vulnerability Database provides the following description for this vulnerability: Improper Handling of Case Sensitivity vulnerability in LockOutRealm 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 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. 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:
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