Missing Authorization Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.555.3)[2.500,2.568)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published1 Jul 2026
- disclosed10 Jun 2026
- creditUnknown
Introduced: 10 Jun 2026
CVE-2026-53438 (opens in a new tab)How to fix?
Upgrade org.jenkins-ci.main:jenkins-core to version 2.555.3, 2.568 or higher.
Overview
org.jenkins-ci.main:jenkins-core is an open source automation server.
Affected versions of this package are vulnerable to Missing Authorization due to a missing permission check in the cancel queue process. An attacker can terminate build queue items without authorization by possessing only the Item/Cancel permission and not the Item/Read permission.