CVE-2026-33001
highpriority · track · 1EPSS 0.021 · 81 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0779Jenkins: Mehrere SchwachstellenDeutsch2026-03-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen oder vertrauliche Informationen offenzulegen.
- GHSA-r6qv-frpc-q66cJenkins has a link following vulnerability allows arbitrary file creation2026-03-18ghsa · osvUS
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.
- BIT-jenkins-2026-330012026-03-20vendor · osvUS
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.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (17)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-33001cnnvd
- https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3657cnnvd
- https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3657enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:10199nvd
- https://access.redhat.com/errata/RHSA-2026:10201nvd
- https://access.redhat.com/errata/RHSA-2026:10204nvd
- https://access.redhat.com/errata/RHSA-2026:10205nvd
- https://access.redhat.com/errata/RHSA-2026:10206nvd
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