The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.

Affected Packages

RubyGems private_address_check

Affected versions: 0 (fixed in 0.4.1)

Related CVEs

CVE-2017-0909

Key Information

GHSA ID

GHSA-3v3c-r5v2-68ph

Published

November 30, 2017 11:14 PM

Last Modified

January 20, 2023 10:07 PM

CVSS Score

7.5 /10

Primary Ecosystem

RubyGems

Primary Package

private_address_check

GitHub Reviewed

✓ Yes

Dataset

Last updated: July 4, 2025 6:27 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.