Jenkins Dead Man's Snitch Plugin vulnerability stores tokens in plain text

published 2025-07-09 16 mo ago modified 2026-06-17 4 mo ago also GHSA-5pcv-7v3q-hw8j , EUVD-2025-20848

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-07-09)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:deadmanssnitch	<=0.1	no fix listed

Affected products

Jenkins Project Jenkins Dead Man's Snitch Plugin

Classification

Weakness

CWE-311 Missing Encryption of Sensitive Data
CWE-522 Insufficiently Protected Credentials

References

jenkins.io /security/advisory/2025-07-09/#SECURITY-3524
vendor-advisory, web
openwall.com /lists/oss-security/2025/07/09/4
web
nvd.nist.gov /vuln/detail/CVE-2025-53666
advisory
github.com /jenkinsci/deadmanssnitch-plugin
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary