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Low, CVSS 3.7

Jenkins Multibranch Scan Webhook Trigger Plugin uses non-constant time webhook token comparison

CVE-2023-46656GHSA-8859-v9jp-cphf

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

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

  • Maven igalg.jenkins.plugins:multibranch-scan-webhook-trigger

    Affected
    <= 1.0.9
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
3.7 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
  • CVE-2023-46656: 0.67% estimated exploitation activity in the next 30 days; percentile 51.90 (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 Multibranch Scan Webhook Trigger Plugin 1.0.9 and earlier does not use a constant-time comparison when checking whether the provided and expected webhook token are equal. This could potentially allow attackers to use statistical methods to obtain a valid webhook token. As of publication of this advisory, there is no fix.

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

    Published from ghsa record GHSA-8859-v9jp-cphf

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2023-46656

Advisory: Jenkins Multibranch Scan Webhook Trigger Plugin uses non-constant time webhook token comparison
IDs: CVE-2023-46656, GHSA-8859-v9jp-cphf
Record: https://patchnext.com/advisories/cve-2023-46656 (revision 1, source checked 26 Oct 2026, 16:19 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Low (CVSS 3.7)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven igalg.jenkins.plugins:multibranch-scan-webhook-trigger: affected <= 1.0.9

## Suggested inspection (read-only)
- Maven igalg.jenkins.plugins:multibranch-scan-webhook-trigger: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on igalg.jenkins.plugins:multibranch-scan-webhook-trigger.
- 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-8859-v9jp-cphf (GitHub-reviewed advisory GHSA-8859-v9jp-cphf lists affected ranges: Maven igalg.jenkins.plugins:multibranch-scan-webhook-trigger >=0 <=1.0.9)

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