Common Weakness Enumeration

    CWE Definition / CWE-626

    CWE-626: Null Byte Interaction Error (Poison Null Byte)

    The product does not properly handle null bytes or NUL characters when passing data between different representations or components.

    Published:7 May 2007
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-147: Improper Neutralization of Input Terminators

    CWE-436: Interpretation Conflict