CVEvulnerability

CVE-2026-70427

4.3 MEDIUM Published 2026-08-05 Modified 2026-09-08 Official page ↗
Status
Analyzed
Published
2026-08-05
Last modified
2026-09-08
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-59

Description

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.

Affected configurations

• jenkins jenkins (< 2.568.2) • jenkins jenkins (< 2.576)

Related

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References