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MEDIUM severity

CVE-2022-36886 — external-monitor-job

MEDIUMFix: jenkinsci/external-monitor-job-plugin@e979ca8

CVE-2022-36886 is a medium-severity (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in org.jenkins-ci.plugins:external-monitor-job. A fix is available for org.jenkins-ci.plugins:external-monitor-job — see the affected versions and patch details below.

External Monitor Job Type Plugin does not require POST requests for an HTTP endpoint

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs36th percentile — riskier than 36% of all scored CVEsHighest risk
0.00%0.30%0.61%0.91%0.1%0.4%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:external-monitor-job

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

Jenkins External Monitor Job Type Plugin 191.v363d0d1efdf8 and earlier does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.

This vulnerability allows attackers to create runs of an external job.

External Monitor Job Type Plugin 192.ve979ca_8b_3ccd requires POST requests for the affected HTTP endpoint.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:external-monitor-joball versions192.ve979ca_8b_3ccdorg.jenkins-ci.plugins:external-monitor-job:192.ve979ca_8b_3ccd

Affected Products

1 product · 1 configurations
Application
external monitor job typejenkins
≤ 191.v363d0d1efdf8
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:external-monitor-job, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:external-monitor-job to 192.ve979ca_8b_3ccd or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-36886 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

Jenkins External Monitor Job Type Plugin 191.v363d0d1efdf8 and earlier does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability. This vulnerability allows attackers to create runs of an external job. External Monitor Job Type Plugin 192.ve979ca_8b_3ccd requires POST requests for the affected HTTP endpoint.
O3 Security · Impact-Aware SCA

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CVE-2022-36886: external-monitor-job CSRF — Fix Available