CVE-2015-8559: Chef

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

The knife bootstrap command in chef Infra client before version 15.4.45 leaks the validator.pem private RSA key to /var/log/messages.

Affected products

  • Chef Chef: before 15.4.45 (fixed in 15.4.45)

Published 2017-09-21. Last modified 2026-06-17.