CVE-2017-0889: Thoughtbot Paperclip

Critical severity, CVSS 9.8. EPSS: 3.1% chance of exploitation in the next 30 days.

Paperclip ruby gem version 3.1.4 and later suffers from a Server-SIde Request Forgery (SSRF) vulnerability in the Paperclip::UriAdapter class. Attackers may be able to access information about internal network resources.

Affected products

• Thoughtbot Paperclip: from 3.1.4, before 5.2.0 (fixed in 5.2.0)

Published 2017-11-13. Last modified 2026-06-17.