Vulnerability DatabaseCVE-2026-84650
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CVE-2026-84650
Published:September 02, 2026
Updated:September 22, 2026
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.
Affected Packages
org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=1.396 <2.568.3
Fix Suggestion:
Update to version 2.568.3
org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.569 <2.580
Fix Suggestion:
Update to version 2.580
Related Resources (1)
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4032
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Deserialization of Untrusted Data
CWE-502
Authorization Bypass Through User-Controlled SQL Primary Key
CWE-566
EPSS
Base Score:
0.35