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Medium, CVSS 4.3

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

CVE-2024-39460GHSA-x8mf-jcmf-r79f

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source 887.va), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

  • GitHub Advisory Database and maintainer security advisories on GitHub

    GitHub-reviewed advisory GHSA-x8mf-jcmf-r79f lists affected ranges: Maven org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source >=0 <=886.v44cf5e4ecec5

    VerifiedObserved Structured GitHub Advisory Database record (type=reviewed) from the GitHub REST API.

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
  • CVE-2024-39460: 0.49% estimated exploitation activity in the next 30 days; percentile 42.13 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

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.vad359b3d2d8d does not include the Bitbucket OAuth access token as part of the Bitbucket URL in the build log.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-x8mf-jcmf-r79f

Agent brief

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# Patch Next advisory brief: CVE-2024-39460

Advisory: Bitbucket OAuth access token exposed in the build log by Bitbucket Branch Source Plugin
IDs: CVE-2024-39460, GHSA-x8mf-jcmf-r79f
Record: https://patchnext.com/advisories/cve-2024-39460 (revision 1, source checked 26 Oct 2026, 16:30 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 4.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source 887.va. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source: affected <= 886.v44cf5e4ecec5; fixed in 887.va

## Suggested inspection (read-only)
- Maven org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-x8mf-jcmf-r79f (GitHub-reviewed advisory GHSA-x8mf-jcmf-r79f lists affected ranges: Maven org.jenkins-ci.plugins:cloudbees-bitbucket-branch-source >=0 <=886.v44cf5e4ecec5)

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