Injection fast-uri Dependency in Bamboo Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 10.2.22
    • Affects Version/s: 10.0.0, 10.1.0, 10.0.1, 10.0.2, 10.0.3, 10.2.0, 10.1.1, 10.2.1, 10.2.2, 10.2.3, 12.0.0, 10.2.4, 11.0.1, 10.2.5, 10.2.6, 10.2.7, 10.2.8, 10.2.9, 10.2.10, 10.2.11, 10.2.12, 10.2.13, 10.2.14, 10.2.15, 10.2.16, 10.2.18, 10.2.19, 10.2.17, 10.2.20, 10.2.21
    • Component/s: None
    • 7.5
    • High
    • CVE-2026-16221
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    • Injection
    • Bamboo Data Center

      This High severity Injection vulnerability was introduced in versions 10.0.0, 10.1.0 and 10.2.0 of Bamboo Data Center.

      This Injection 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:H/A:N allows an unauthenticated attacker to modify the actions taken by a system call which has no impact to confidentiality, high impact to integrity, no impact to availability, and requires no user interaction.

      Atlassian recommends that Bamboo 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:

      • Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.22

      See the release notes (https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html). You can download the latest version of Bamboo Data Center from the download center (https://www.atlassian.com/software/bamboo/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: Impact: fast-uri versions from 2.3.1 through 4.1.0 (including the 3.x line up to 3.1.3 and the 2.x line up to 2.4.2) do not treat a literal backslash character (U+005C) as an authority delimiter. Node's native WHATWG URL parser, used by fetch, undici, and Node's http and https clients, normalizes the backslash to a forward slash for special schemes such as http, https, ws, wss, ftp, and file. As a result, the two parsers extract different hosts from the same input string. Applications that use fast-uri to enforce host-based policy such as allowlists, denylists, loopback or SSRF filtering, redirect validation, or outbound proxy routing before passing the same URL into Node's URL or fetch consumers can be steered to an unintended destination, including cloud metadata endpoints, loopback, or internal hosts.

      Patches: upgrade to fast-uri 4.1.1, 3.1.4, or 2.4.3.

      Workarounds: none.

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