Jenkins Copy To Slave Plugin allows access to arbitrary files on the Jenkins controller file systemGHSA-9jrh-hch8-rr5c
MEDIUMGHSA-9jrh-hch8-rr5c is a medium-severity (CVSS 6.5) Information Exposure vulnerability in org.jenkins-ci.plugins:copy-to-slave. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.
EPSS Exploitation Probability
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
org.jenkins-ci.plugins:copy-to-slaveReal-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
An exposure of sensitive information vulnerability exists in Jenkins Copy To Slave Plugin version 1.4.4 and older in CopyToSlaveBuildWrapper.java that allows attackers with permission to configure jobs to read arbitrary files from the Jenkins master file system.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.jenkins-ci.plugins:copy-to-slave | all versions | No fix |
Affected Products
copy to slavejenkinsDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:copy-to-slave, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
The records we use list no patched version of org.jenkins-ci.plugins:copy-to-slave for GHSA-9jrh-hch8-rr5c. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.
Mitigate without a patch
Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.
Frequently Asked Questions
Is GHSA-9jrh-hch8-rr5c in your dependencies?
Find it across Maven, including transitive dependencies.