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CVE-2026-53438

medium CVSS 4.3 EPSS 0.3%

A missing permission check in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allows attackers with Item/Cancel permission, but lacking Item/Read permission, to cancel queue items they do not have permission to view.

Versions it affects

Software versions checked with the free lookup that CVE-2026-53438 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
4.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.3% probability of exploitation in the next 30 days, higher than 18% of scored vulnerabilities
Weakness
CWE-862
Published
2026-06-10
NVD CVE.org

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