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CRITICAL severity

CVE-2022-43402 — workflow-cps

CRITICAL

CVE-2022-43402 is a critical-severity (CVSS 9.9) remote code execution vulnerability in org.jenkins-ci.plugins.workflow:workflow-cps. A fix is available for org.jenkins-ci.plugins.workflow:workflow-cps — see the affected versions and patch details below.

Jenkins Pipeline: Groovy Plugin allows sandbox protection bypass and arbitrary code execution

Also known asGHSA-mqc2-w9r8-mmxm
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 31, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.5%probability of exploitation in next 30 days
Lower Risk+0.21%
Lower risk than most CVEs74th percentile — riskier than 74% of all scored CVEsHighest risk
0.00%0.66%1.32%1.97%0.1%1.5%May 26Aug 26Oct 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.workflow:workflow-cps

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

A sandbox bypass vulnerability involving various casts performed implicitly by the Groovy language runtime in Jenkins Pipeline: Groovy Plugin 2802.v5ea_628154b_c2 and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM. Pipeline: Groovy Plugin 2803.v1a_f77ffcc773 intercepts Groovy casts performed implicitly by the Groovy language runtime

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins.workflow:workflow-cpsall versions2803.v1a_f77ffcc773org.jenkins-ci.plugins.workflow:workflow-cps:2803.v1a_f77ffcc773

Affected Products

1 product · 1 configurations
Application
pipeline\jenkins
≤ 2802.v5ea_628154b_c2
1 version
_groovy

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.workflow:workflow-cps, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins.workflow:workflow-cps to 2803.v1a_f77ffcc773 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-43402 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.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatCritical
ProductFixed inAdvisory
OCP-Tools-4.12-RHEL-8jenkins-2-plugins-0:4.12.1675702407-1.el8RHSA-2023:1064
OpenShift Developer Tools and Services for OCP 4.11jenkins-2-plugins-0:4.11.1683009941-1.el8RHSA-2023:3198
Red Hat OpenShift Container Platform 4.10jenkins-2-plugins-0:4.10.1675144701-1.el8RHSA-2023:0560
Red Hat OpenShift Container Platform 4.9jenkins-2-plugins-0:4.9.1675668922-1.el8RHSA-2023:0777

Frequently Asked Questions

A sandbox bypass vulnerability involving various casts performed implicitly by the Groovy language runtime in Jenkins Pipeline: Groovy Plugin 2802.v5ea_628154b_c2 and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM. Pipeline: Groovy Plugin 2803.v1a_f77ffcc773 intercepts Groovy casts performed implicitly by the Groovy language runtime
O3 Security · Impact-Aware SCA

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CVE-2022-43402: workflow-cps RCE — Fix Available