Arbitrary Code Execution Vulnerability in Jenkins Performance Plugin by Jenkins
CVE-2026-84670

8.8HIGH

Key Information:

Vendor

Jenkins
Status
Jenkins Performance Plugin
Vendor
CVE Published:
2 September 2026

What is CVE-2026-84670?

The Jenkins Performance Plugin versions up to 1015.v09ca_52b_3370e are vulnerable to an arbitrary code execution risk due to improper restrictions on class instantiation during the deserialization of cached performance reports. Attackers possessing Item/Configure permissions can exploit this flaw to execute unauthorized code on the Jenkins controller, potentially compromising the entire server.

Affected Version(s)

Jenkins Performance Plugin 0 <= 1015.v09ca_52b_3370e

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECU...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.