CVE-2026-53442: Jenkins does not encrypt secrets from POST config.xml submissions before storing them in job configurations

June 10, 2026 (updated August 13, 2026)

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.

References

github.com/advisories/GHSA-m6wv-wh8g-64xc
github.com/jenkinsci/jenkins/commit/037c2c30cd26b926ec9df3d1b60e16b80608edb4
github.com/jenkinsci/jenkins/commit/206f0b565f0ce16b5162160ffb96f5dd59002ff7
nvd.nist.gov/vuln/detail/CVE-2026-53442
www.jenkins.io/security/advisory/2026-06-10/

Code Behaviors & Features

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