CVE-2026-84671 — HIGH (8.8)

Vulnerability Description

Jenkins File Parameter Plugin 425.v3fa_801681b_5e and earlier allows writing files to arbitrary locations on the Jenkins controller file system through Stapler data binding, which can lead to remote code execution.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-22

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4093

FAQ

What is CVE-2026-84671?

CVE-2026-84671 is a vulnerability with a CVSS score of 8.8 (HIGH). Jenkins File Parameter Plugin 425.v3fa_801681b_5e and earlier allows writing files to arbitrary locations on the Jenkins controller file system through Stapler data binding, which can lead to remote c...

How severe is CVE-2026-84671?

CVE-2026-84671 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-84671?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.