CVE-2026-70429
Published:August 05, 2026
Updated:August 31, 2026
Jenkins 2.575 and earlier, LTS 2.568.1 and earlier handles case-insensitivity in user names and group names inconsistently, allowing attackers able to create new users or groups with names that case-insensitively match other characters to impersonate other users or be granted their permissions in some circumstances.
Affected Packages
https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) =jenkins-2.575 <jenkins-2.576Fix Suggestion:
Update to version jenkins-2.576https://github.com/jenkinsci/jenkins.git (GITHUB):
Affected version(s) =jenkins-2.568.1 <jenkins-2.568.2Fix Suggestion:
Update to version jenkins-2.568.2org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.569 <2.576Fix Suggestion:
Update to version 2.576org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=1.396 <2.568.2Fix Suggestion:
Update to version 2.568.2Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
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:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Handling of Case Sensitivity
EPSS
Base Score:
0.24