vulnerability
Atlassian Bitbucket: CVE-2025-41249: Improper Authorization org.springframework:spring-core Dependency in Bitbucket Data Center and Server
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:C/I:N/A:N) | Jan 20, 2026 | Jan 21, 2026 | Jan 21, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
Jan 20, 2026
Added
Jan 21, 2026
Modified
Jan 21, 2026
Description
This High severity Improper Authorization vulnerability was introduced in version 8.19.0 and 9.4.0 of Bitbucket Data Center and Server.
This Improper Authorization vulnerability, with a CVSS Score of 7.5, allows an attacker to potentially perform actions to circumvent authorization checks, which has high impact to confidentiality, no impact to integrity, and no impact to availability.
Atlassian recommends that Bitbucket 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:
* Bitbucket Data Center 9.4: Upgrade to a release greater than or equal to 9.4.15
* Bitbucket Data Center 8.19: Upgrade to a release greater than or equal to 8.19.26
See the release notes (https://confluence.atlassian.com/bitbucketserver/release-notes). You can download the latest version of Bitbucket Data Center from the download center (https://www.atlassian.com/software/bitbucket/download-archives).
This Improper Authorization vulnerability, with a CVSS Score of 7.5, allows an attacker to potentially perform actions to circumvent authorization checks, which has high impact to confidentiality, no impact to integrity, and no impact to availability.
Atlassian recommends that Bitbucket 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:
* Bitbucket Data Center 9.4: Upgrade to a release greater than or equal to 9.4.15
* Bitbucket Data Center 8.19: Upgrade to a release greater than or equal to 8.19.26
See the release notes (https://confluence.atlassian.com/bitbucketserver/release-notes). You can download the latest version of Bitbucket Data Center from the download center (https://www.atlassian.com/software/bitbucket/download-archives).
Solution
atlassian-bitbucket-upgrade-latest
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