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Medium, CVSS 4.3

CSRF vulnerability in Jenkins GitLab Branch Source Plugin

CVE-2024-23902GHSA-8r93-59cf-358f

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (io.jenkins.plugins:gitlab-branch-source 688.v5fa), 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

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:N/UI:R/S:U/C:N/I:L/A:N
EPSS
  • CVE-2024-23902: 0.32% estimated exploitation activity in the next 30 days; percentile 25.38 (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.

Jenkins GitLab Branch Source Plugin 684.veafa7c1e2fe3 and earlier does not require POST requests for a form validation endpoint, resulting in a cross-site request forgery (CSRF) vulnerability. This vulnerability allows attackers to connect to an attacker-specified URL. GitLab Branch Source Plugin 688.v5fa356ee8520 requires POST requests for the affected form validation endpoint.

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

    Published from ghsa record GHSA-8r93-59cf-358f

Agent brief

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# Patch Next advisory brief: CVE-2024-23902

Advisory: CSRF vulnerability in Jenkins GitLab Branch Source Plugin
IDs: CVE-2024-23902, GHSA-8r93-59cf-358f
Record: https://patchnext.com/advisories/cve-2024-23902 (revision 1, source checked 26 Oct 2026, 16:26 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: io.jenkins.plugins:gitlab-branch-source 688.v5fa. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven io.jenkins.plugins:gitlab-branch-source: affected < 688.v5fa; fixed in 688.v5fa

## Suggested inspection (read-only)
- Maven io.jenkins.plugins:gitlab-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 io.jenkins.plugins:gitlab-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-8r93-59cf-358f (GitHub-reviewed advisory GHSA-8r93-59cf-358f lists affected ranges: Maven io.jenkins.plugins:gitlab-branch-source >=0 <688.v5fa)

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