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Not in CISA KEV
MEDIUM severity

CVE-2019-16556 — rundeck

MEDIUM

CVE-2019-16556 is a medium-severity (CVSS 6.5) CWE-522 vulnerability in org.jenkins-ci.plugins:rundeck. A fix is available for org.jenkins-ci.plugins:rundeck — see the affected versions and patch details below.

Jenkins Rundeck Plugin stored credentials in plain text

Also known asGHSA-qh3m-c6hw-5hmv
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 ↗
0.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs58th percentile — riskier than 58% of all scored CVEsHighest risk
0.00%0.45%0.90%1.35%0.0%0.9%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:rundeck

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 Rundeck Plugin 3.6.5 and earlier stores credentials unencrypted in its global configuration file and in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:rundeckall versions3.6.6org.jenkins-ci.plugins:rundeck:3.6.6

Affected Products

1 product · 1 configurations
Application
rundeckjenkins
≤ 3.6.5
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:rundeck, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:rundeck to 3.6.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-16556 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 Rundeck Plugin 3.6.5 and earlier stores credentials unencrypted in its global configuration file and in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.
O3 Security · Impact-Aware SCA

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CVE-2019-16556: rundeck — Fixed in 3.6.6