CWE-50: Path Equivalence: '//multiple/leading/slash'
The product accepts path input in the form of multiple leading slash ('//multiple/leading/slash') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.
A kind of CWE-41 Improper Resolution of Path Equivalence.
From the CWE List. © The MITRE Corporation.