CWE-646
Reliance on File Name or Extension of Externally-Supplied File
The product allows a file to be uploaded, but it relies on the file name or extension of the file to determine the appropriate behaviors. This could be used by attackers to cause the file to be misclassified and processed in a dangerous fashion.
Impactr finds and proves whether CWE-646 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.