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CVE-2026-53442

medium CVSS 5.3 EPSS 0.2%

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.

Versions it affects

Software versions checked with the free lookup that CVE-2026-53442 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509 fixed in 2.555.3

At a glance

Severity
Medium
CVSS base score
5.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.2% probability of exploitation in the next 30 days, higher than 13% of scored vulnerabilities
Weakness
CWE-311
Published
2026-06-10
NVD CVE.org

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