Privilege Escalation Vulnerability in Nexus Repository by Sonatype
CVE-2026-14644
8.6HIGH
What is CVE-2026-14644?
Nexus Repository 3 has a security flaw in its REST privileges API that allows an authenticated user, who has the ability to manage privileges, to escalate their access to full administrator rights. This is achieved by exploiting a type-confusion flaw present in the privilege update endpoint, potentially leading to unauthorized access and system compromise.
Affected Version(s)
Nexus Repository 3 3.19.0 < 3.95.0
References
CVSS V4
Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Mayur Udiniya aka roughwire (https://x.com/roughwire/)