CWE-43: Path Equivalence: 'filename....' (Multiple Trailing Dot)
The product accepts path input in the form of multiple trailing dot ('filedir....') 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.
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Overview
CWE-43 (Path Equivalence: 'filename....' (Multiple Trailing Dot)) is a variant-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.
Real-world CVEs
1 recorded CVEs are caused by CWE-43 (Path Equivalence: 'filename....' (Multiple Trailing Dot)). The highest-severity and most recent are shown first. 0 new CWE-43 CVEs have been recorded so far in 2026 (1 in 2025).
Common consequences
What can happen when CWE-43 is exploited.
Read Files or Directories, Modify Files or Directories
Affects: Confidentiality, Integrity
How it happens
When it is introduced
Typically introduced during these phases of the software lifecycle.