CVE-2026-53438
Fixed in a distro release EPSS <1%CVSS 4.3
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.
Products: Jenkins project Jenkins
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.555.3 |
| Maven | org.jenkins-ci.main:jenkins-core | 2.568 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | jenkins-2.528 | no fix |
| Chainguard | jenkins-2.541 | no fix |
| Chainguard | jenkins-2.541-openjdk-17 | no fix |
| Chainguard | jenkins-2.541-openjdk-21 | no fix |
| Chainguard | jenkins-2.541-openjdk-25 | no fix |
| Chainguard | jenkins-2.555 | 2.555.3-r0 |