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CWE-626

Safeguard articles tagged "CWE-626" — guides, analysis, and best practices for software supply chain and application security.

1 article

Application Security

CWE-626 Poison Null Byte: How a NUL Breaks Your Checks

A null byte ends a string in C but not in PHP or Perl. Attackers use that gap to cut off file extensions and slip past regex checks.

Oct 18, 20262 min read

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