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Type:
Public Security Vulnerability
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Resolution: Fixed
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Priority:
High
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Affects Version/s: 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, 10.2.9, 11.0.7, 11.0.8, 10.2.10, 10.2.11, 12.0.1, 12.0.2, 10.2.12, 12.1.1, 10.2.13, 10.2.14, 10.2.15, 12.1.2, 12.1.3, 10.2.16, 10.2.18, 11.1.0, 12.1.6, 12.1.7, 10.2.19, 12.1.8, 10.2.17, 10.2.20
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Component/s: None
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8.1
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High
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CVE-2026-44249
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Atlassian (Internal)
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CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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Improper Authorization
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Bamboo Data Center
This High severity Improper Authorization vulnerability was introduced in versions 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center.
This Improper Authorization vulnerability, with a CVSS Score of 8.1 and a CVSS Vector of CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H allows an unauthenticated attacker to gain unintended access and can lead to the exposure of resources or functionality, possibly providing attackers with sensitive information or even execute arbitrary code which has high impact to confidentiality, high impact to integrity, high 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 10.2.21
- Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.9
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: Netty is a network application framework for development of protocol servers and clients. In netty-handler prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can bypass IPv6 subnet rules due to an incorrect masking operation in IpSubnetFilterRule.compareTo(). Valid public IP addresses can bypass the restrictions. Versions 4.1.135.Final and 4.2.15.Final patch the issue.