DoS (Denial of Service) axios Dependency in Confluence Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 9.2.19, 10.2.10
    • Affects Version/s: 9.1.0, 9.0.1, 9.0.3, 9.1.1, 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
    • Component/s: None
    • 7.5
    • High
    • CVE-2026-25639
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    • DoS (Denial of Service)
    • Confluence Data Center

      This High severity DoS (Denial of Service) vulnerability was introduced in versions 9.0.1, 9.0.3, 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 DoS (Denial of Service) 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:N/I:N/A:H allows an unauthenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network which has no impact to confidentiality, no impact to integrity, high 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 9.2.19
      • Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.10

      See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center from the download center (https://www.atlassian.com/software/confluence/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing {}proto{} as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service. This vulnerability is fixed in versions 0.30.3 and 1.13.5.

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              Unassigned
              Reporter:
              Security Metrics Bot
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                Created:
                Updated:
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