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
