Common Weakness Enumeration

    CWE Definition / CWE-462

    CWE-462: Duplicate Key in Associative List (Alist)

    Duplicate keys in associative lists can lead to non-unique keys being mistaken for an error.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-694: Use of Multiple Resources with Duplicate Identifier