CWE-55: Path Equivalence: '/./' (Single Dot Directory)
The product accepts path input in the form of single dot directory exploit ('/./') 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-55 (Path Equivalence: '/./' (Single Dot Directory)) 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-55 (Path Equivalence: '/./' (Single Dot Directory)). The highest-severity and most recent are shown first. 1 new CWE-55 CVE has been recorded so far in 2026.
Common consequences
What can happen when CWE-55 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.