CVE-2019-15224: Rest-Client Project Rest-Client

Critical severity, CVSS 9.8. EPSS: 3.6% chance of exploitation in the next 30 days.

The rest-client gem 1.6.10 through 1.6.13 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Versions <=1.6.9 and >=1.6.14 are unaffected.

Affected products

• Rest-Client Project Rest-Client: from 1.6.10, up to and including 1.6.13

Published 2019-08-19. Last modified 2026-06-17.