En resumen
- CVE-2026-33001 es una vulnerabilidad ALTO (CVSS 8.8) que afecta a org.jenkins-ci.main:jenkins-core, jenkins (jenkins).
- Probabilidad de explotación en los próximos 30 días (EPSS): 2.1%, mayor que el 81.4% de las vulnerabilidades.
- Solución: actualizar a 2.555, 2.541.3 o posterior.
Description
Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.
This can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.
NVD description
Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins.
This can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.
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