MEDIUMCVSS 5.3EPSS 0.2%

CVE-2026-53442

Jenkins does not encrypt secrets from POST config.xml submissions before storing them in job configurations

Published: 2026-06-10
Modified: 2026-08-13
EPSS percentile: 9%
Aliases: GHSA-m6wv-wh8g-64xc
Sources: github-advisory

Summary

Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not encrypt secrets from POST config.xml submissions before storing them in job configurations 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.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
Maven	org.jenkins-ci.main:jenkins-core	—	2.555.3, 2.568

Remediation: Upgrade to 2.555.3 or later.

References

https://github.com/advisories/GHSA-m6wv-wh8g-64xc

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.