CVE-2026-84653
Published:September 02, 2026
Updated:September 22, 2026
Jenkins 2.421 through 2.579 (both inclusive), LTS 2.426.1 through 2.568.2 (both inclusive) does not correctly perform permission checks in the Appearance configuration page, allowing attackers with Overall/Manage permission to modify Appearance configuration options they should not have access to.
Affected Packages
https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) >=jenkins-2.421 <jenkins-2.580Fix Suggestion:
Update to version jenkins-2.580https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) >=jenkins-2.427 <jenkins-2.568.3Fix Suggestion:
Update to version jenkins-2.568.3org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.421 <2.580Fix Suggestion:
Update to version 2.580org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.426.1 <2.568.3Fix Suggestion:
Update to version 2.568.3Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.27