vulnerability
Atlassian Bitbucket: CVE-2016-1000027: RCE (Remote Code Execution) Third-Party Dependency in Bitbucket Data Center and Server - CVE-2016-1000027
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Nov 18, 2025 | Nov 19, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Nov 18, 2025
Added
Nov 19, 2025
Modified
Nov 27, 2025
Description
note:
* This is a critical vulnerability in a non-Atlassian Bitbucket dependency. However, Atlassian’s application of the dependency presents a lower assessed risk, which is why we are disclosing this vulnerability in our monthly Security Bulletin instead of a Critical Security Advisory.
This Critical severity vulnerability known as CVE-2016-1000027 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 of Bitbucket Data Center and Server.
This vulnerability with a CVSS Score of 9.8 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/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
See the release notes. You can download the latest version of Bitbucket Data Center and Server from the download center.
* This is a critical vulnerability in a non-Atlassian Bitbucket dependency. However, Atlassian’s application of the dependency presents a lower assessed risk, which is why we are disclosing this vulnerability in our monthly Security Bulletin instead of a Critical Security Advisory.
This Critical severity vulnerability known as CVE-2016-1000027 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 of Bitbucket Data Center and Server.
This vulnerability with a CVSS Score of 9.8 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/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
See the release notes. You can download the latest version of Bitbucket Data Center and Server from the download center.
Solution
atlassian-bitbucket-upgrade-latest
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