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MEDIUM severity

CVE-2024-28152 — cloudbees-bitbucket-branc…

MEDIUMFix: jenkinsci/bitbucket-branch-source-plugin@28d74e8

CVE-2024-28152 is a medium-severity (CVSS 6.3) CWE-281 vulnerability in org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source. A fix is available for org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source — see the affected versions and patch details below.

Jenkins Bitbucket Branch Source Plugin has incorrect trust policy behavior for pull requests

Also known asGHSA-m4rm-x2rr-357w
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 7, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2024-28152.

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs47th percentile — riskier than 47% of all scored CVEsHighest risk
0.00%0.35%0.70%1.06%0.0%0.6%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

In Jenkins Bitbucket Branch Source Plugin 866.vdea_7dcd3008e and earlier, except 848.850.v6a_a_2a_234a_c81, when discovering pull requests from forks, the trust policy "Forks in the same account" allows changes to Jenkinsfiles from users without write access to the project when using Bitbucket Server.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:cloudbees-bitbucket-branch-sourceall versions871.v28d74e8b_4226org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source:871.v28d74e8b_4226

Affected Products

1 product · 3 configurations
Application
bitbucket branch sourcejenkins
< 848.850.v6a_a_2a_234a_c81
2 versions
856.v04c46c86f911866.vdea_7dcd3008e

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source to 871.v28d74e8b_4226 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-28152 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

In Jenkins Bitbucket Branch Source Plugin 866.vdea_7dcd3008e and earlier, except 848.850.v6a_a_2a_234a_c81, when discovering pull requests from forks, the trust policy "Forks in the same account" allows changes to Jenkinsfiles from users without write access to the project when using Bitbucket Server.
O3 Security · Impact-Aware SCA

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CVE-2024-28152: cloudbees-bitbucket — Fix Available