HTTP Request Smuggling io.netty:netty-codec-http Dependency in Bamboo Data Center

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    • Type: Public Security Vulnerability
    • Resolution: Fixed
    • Priority: High
    • 9.6.19, 10.2.18, 12.1.6
    • Affects Version/s: 9.6.0, 10.0.0, 10.1.0, 10.0.1, 10.0.2, 10.0.3, 10.2.0, 10.1.1, 11.0.0, 10.2.1, 10.2.2, 10.2.3, 12.0.0, 10.2.4, 11.0.1, 10.2.5, 11.0.2, 11.0.3, 10.2.6, 10.2.7, 11.0.4, 12.1.0, 10.2.8, 11.0.5, 9.6.18, 10.2.9, 11.0.7, 11.0.8, 10.2.10, 10.2.11, 12.0.1, 12.0.2, 10.2.12, 12.0.0-rc3, 12.1.1, 10.2.13, 10.2.14, 10.2.15, 12.1.2, 12.1.3, 10.2.16
    • Component/s: None
    • 7.5
    • High
    • CVE-2026-33870
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    • HTTP Request Smuggling
    • Bamboo Data Center

      This High severity HTTP Request Smuggling vulnerability was introduced in version 10.0.0, 10.1.0, 10.2.0, 11.0.0,
      12.0.0, and 12.1.0 of Bamboo Data Center.

      This HTTP Request Smuggling 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 expose assets in your environment susceptible to exploitation 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 10.2.18
      • Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.6

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

      The National Vulnerability Database provides the following description for this vulnerability:

      Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and
      4.2.10.Final, Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling
      request smuggling attacks. Versions 4.1.132.Final and 4.2.10.Final fix the issue.

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