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

Medium 6.5 Published Updated

Attackers with extended read permissions or file system access can view unencrypted Dead Man's Snitch tokens stored in Jenkins job configurations.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-53666?

CVE-2025-53666 is a medium-severity vulnerability in Jenkins Dead Man's Snitch Plugin, published on 9 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-311

Which versions are affected by CVE-2025-53666?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:deadmanssnitch. It affects 1 product.

PackageAffectedFixed in
org.jenkins-ci.plugins:deadmanssnitch MavenAll versions to 0.1None
org.jenkins-ci.plugins:deadmanssnitch MavenAll versions to 0.1None

Products include Jenkins Dead Man\'s Snitch.

How do I fix CVE-2025-53666?

No fix has been published for CVE-2025-53666 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-53666 being exploited?

There is no known exploitation of CVE-2025-53666 in the wild and no public exploit code.

Sources

Also known as GHSA-5pcv-7v3q-hw8j.

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