CVE-2025-53666: Jenkins Dead Man's Snitch Plugin vulnerability stores tokens in plain text

July 9, 2025 (updated November 5, 2025)

Jenkins Dead Man’s Snitch Plugin 0.1 stores Dead Man’s Snitch tokens unencrypted in job config.xml files on the Jenkins controller, where they can be viewed by users with Item/Extended Read permission or access to the Jenkins controller file system.

References

github.com/advisories/GHSA-5pcv-7v3q-hw8j
github.com/jenkinsci/deadmanssnitch-plugin
nvd.nist.gov/vuln/detail/CVE-2025-53666
www.jenkins.io/security/advisory/2025-07-09/

Code Behaviors & Features

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