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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: 9.6.0, 10.0.0, 9.6.1, 9.6.2, 9.6.3, 9.6.4, 9.6.5, 9.6.6, 10.1.0, 10.0.1, 9.6.7, 10.0.2, 9.6.8, 10.0.3, 10.2.0, 9.6.9, 10.1.1, 9.6.10, 11.0.0, 10.2.1, 10.2.2, 10.2.3, 9.6.11, 9.6.12, 12.0.0, 10.2.4, 9.6.13, 11.0.1, 9.6.14, 10.2.5, 11.0.2, 11.0.3, 10.2.6, 9.6.15, 10.2.7, 11.0.4, 12.1.0, 9.6.16, 10.2.8, 11.0.5, 9.6.17, 9.6.18, 10.2.9, 11.0.7, 11.0.8, 10.2.10, 9.6.19, 10.2.11, 12.0.1, 9.6.20, 9.6.21, 12.0.2, 10.2.12, 12.0.0-rc3, 12.1.1, 10.2.13, 9.6.22, 10.2.14, 10.2.15, 12.1.2, 9.6.23, 12.1.3, 9.6.24, 10.2.16
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Component/s: None
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7.5
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High
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CVE-2026-24880
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Atlassian (Internal)
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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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HTTP Request Smuggling
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Bamboo Data Center
This High severity HTTP Request Smuggling vulnerability was introduced in version 9.6.0, 10.0.0, 10.1.1, 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 9.6: Upgrade to a release greater than or equal to 9.6.25
- 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:
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.