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  1. Bitbucket Data Center
  2. BSERV-20247

Improper Authorization Third-Party Dependency in Bitbucket Data Center and Server - CVE-2025-48734

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    • Icon: Public Security Vulnerability Public Security Vulnerability
    • Resolution: Fixed
    • Icon: High High
    • 8.19.25, 9.4.13
    • 8.19.0, 8.19.1, 8.19.2, 8.19.3, 8.19.4, 8.19.5, 8.19.6, 8.19.7, 8.19.8, 8.19.9, 8.19.10, 9.4.0, 9.4.8, 8.19.21
    • None
    • 8.8
    • High
    • CVE-2025-48734
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    • Improper Authorization
    • Bitbucket Data Center, Bitbucket Server

      This High severity vulnerability known as CVE-2025-48734 was introduced in 8.19.0, 8.19.1, 8.19.2, 8.19.3, 8.19.4, 8.19.5, 8.19.6, 8.19.7, 8.19.8, 8.19.9, 8.19.10, 9.4.0, 9.4.8, 8.19.21 of Bitbucket Data Center and Server.

      This vulnerability with a CVSS Score of 8.8 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

      Atlassian recommends that Bitbucket 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:

      • Bitbucket Data Center and Server 8.19: Upgrade to a release greater than or equal to 8.19.25
      • Bitbucket Data Center and Server 9.4: Upgrade to a release greater than or equal to 9.4.13

      See the release notes. You can download the latest version of Bitbucket Data Center and Server from the download center.

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