Prototype Pollution axios Dependency in Jira Software 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: 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, 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: Security
    • 10
    • Critical
    • CVE-2026-40175
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    • DoS (Denial of Service)
    • Jira Software Data Center, Jira Software Server

      This is a vulnerability in a non-Atlassian dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk.

      This Critical severity Prototype Pollution vulnerability was introduced in versions 10.3.0 and 11.3.0 of Jira Software Data Center and Server.

      This Prototype Pollution vulnerability, with a CVSS Score of 10.0 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.

      Atlassian recommends that Jira Software 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 Software Data Center and Server 10.3: Upgrade to a release greater than or equal to 10.3.22

      Jira Software Data Center and Server 11.3: Upgrade to a release greater than or equal to 11.3.7

      See the release notes (https://confluence.atlassian.com/jirasoftware/jira-software-release-notes-702702082.html). You can download the latest version of Jira Software Data Center and Server from the download center (Jira Data Center Download Archives | Atlassian).

      The National Vulnerability Database provides the following description for this vulnerability: Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in which prototype pollution in a third-party dependency may be leveraged to inject unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.

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              Unassigned
              Reporter:
              Security Metrics Bot
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                Created:
                Updated:
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