MEDIUM 4.3 NVD

CVE-2026-70427

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not safely handle symbolic links with effectively empty names during the extraction of `.tar` and `.tar.

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier does not safely handle symbolic links with effectively empty names during the extraction of `.tar` and `.tar.gz` archives, allowing attackers able to control agent processes to provide crafted archives to the controller to write files to arbitrary locations on the file system, restricted only by file system access permissions of the user running Jenkins.

References

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3930

Published: 2026-08-05 · Source: NVD · Feed updated: 2026-08-05

This medium severity vulnerability with a CVSS score of 4.3 was published on 2026-08-05 via NVD.

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