CVE-2026-70428

4.3 mediumEPSS 0.7%

Medium (4.3) in jenkins jenkins. EPSS 0.7% chance of exploitation in the next 30 days.

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal in file parameter names, allowing attackers with Item/Configure and Item/Build permission to write files to arbitrary locations on the controller file system.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-08-05
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

Affected

jenkins:jenkins

References

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3927

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