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MEDIUM severity

CVE-2024-39460 — cloudbees-bitbucket-branc…

MEDIUMFix: jenkinsci/bitbucket-branch-source-plugin@ad359b3

CVE-2024-39460 is a medium-severity (CVSS 4.3) CWE-532 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.

Bitbucket OAuth access token exposed in the build log by Bitbucket Branch Source Plugin

Also known asGHSA-x8mf-jcmf-r79f
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 9, 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-2024-39460.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs42th percentile — riskier than 42% of all scored CVEsHighest risk
0.00%0.33%0.66%0.99%0.2%0.5%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

Bitbucket Branch Source Plugin 886.v44cf5e4ecec5 and earlier prints the Bitbucket OAuth access token as part of the Bitbucket URL in the build log in some cases.

Bitbucket Branch Source Plugin 887.va_d359b_3d2d8d does not include the Bitbucket OAuth access token as part of the Bitbucket URL in the build log.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:cloudbees-bitbucket-branch-sourceall versions887.vaorg.jenkins-ci.plugins:cloudbees-bitbucket-branch-source:887.va

Affected Products

1 product · 1 configurations
Application
bitbucket branch sourcejenkins
≤ 886.v44cf5e4ecec5
range

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 887.va or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-39460 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

Bitbucket Branch Source Plugin 886.v44cf5e4ecec5 and earlier prints the Bitbucket OAuth access token as part of the Bitbucket URL in the build log in some cases. Bitbucket Branch Source Plugin 887.va_d359b_3d2d8d does not include the Bitbucket OAuth access token as part of the Bitbucket URL in the build log.
O3 Security · Impact-Aware SCA

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CVE-2024-39460: cloudbees-bitbucket — Fixed in 887.va