CVE-2026-84656
Published:September 02, 2026
Updated:September 22, 2026
A missing permission check in Jenkins 2.579 and earlier, LTS 2.568.2 and earlier allows attackers with Item/Read permission on at least one job to read build parameter names and values of jobs they have no access to.
Affected Packages
https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) >=jenkins-2.568.1-rc <jenkins-2.568.3Fix Suggestion:
Update to version jenkins-2.568.3https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) >=jenkins-1.409.1 <jenkins-2.580Fix Suggestion:
Update to version jenkins-2.580org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=1.396 <2.580Fix Suggestion:
Update to version 2.580org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.568 <2.568.3Fix Suggestion:
Update to version 2.568.3Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.20