CWE-283: Unverified Ownership
The product does not properly verify that a critical resource is owned by the proper entity.
Overview
CWE-283 (Unverified Ownership) is a base-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.
Real-world CVEs
17 recorded CVEs are caused by CWE-283 (Unverified Ownership). The highest-severity and most recent are shown first. 6 new CWE-283 CVEs have been recorded so far in 2026 (5 in 2025).