Common Weakness Enumeration

    CWE Definition / CWE-173

    CWE-173: Improper Handling of Alternate Encoding

    The product does not properly handle when an input uses an alternate encoding that is valid for the control sphere to which the input is being sent.

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

    Related Weakness

    CWE-172: Encoding Error

    CWE-289: Authentication Bypass by Alternate Name