Common Weakness Enumeration

    CWE Definition / CWE-156

    CWE-156: Improper Neutralization of Whitespace

    The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as whitespace when they are sent to a downstream component, e.g., space or tab.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:28 Oct 2026

    Related Weakness

    CWE-138: Improper Neutralization of Special Elements