Directory traversal in Ruby on Rails

Published: 2016-03-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-2097
Exploitation vector Network
Public exploit N/A
Vulnerable software
Ruby on Rails
Universal components / Libraries / Scripting languages

Vendor Rails

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal


Risk: Medium


CVE-ID: CVE-2016-2097

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No


The vulnerability allows a remote attacker to read arbitrary files on the system.

The vulnerability exists due to improper input validation in Action View. A remote attacker can send a specially crafted request, containing directory traversal sequences (e.g. "../") and view contents of arbitrary file on vulnerable system.

The vulnerability exists due to incomplete fix of SB2016021701.


Update to version or

Vulnerable software versions

Ruby on Rails: 3.2.0 - 4.2.5 rc2

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?