Nexus Repository 3 Privilege Escalation via REST Privileges API Type-Confusion
CVE-2026-14644 Published on August 7, 2026
Nexus Repository 3 - Privilege Escalation
Nexus Repository 3 contained a privilege escalation vulnerability in the REST privileges API. An authenticated user with permission to manage privileges could, under certain role configurations, escalate their own access to full administrator by exploiting a type-confusion flaw in the privilege update endpoint.
Vulnerability Analysis
CVE-2026-14644 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is an Object Type Confusion Vulnerability?
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
CVE-2026-14644 has been classified to as an Object Type Confusion vulnerability or weakness.
Products Associated with CVE-2026-14644
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Affected Versions
Sonatype Nexus Repository 3:- Version 3.19.0 and below 3.95.0 is affected.