Common Weakness Enumeration

    CWE Definition / CWE-180

    CWE-180: Incorrect Behavior Order: Validate Before Canonicalize

    The product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step.

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

    Related Weakness

    CWE-179: Incorrect Behavior Order: Early Validation