CVE-2018-17567: Jekyllrb Jekyll

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Jekyll through 3.6.2, 3.7.x through 3.7.3, and 3.8.x through 3.8.3 allows attackers to access arbitrary files by specifying a symlink in the "include" key in the "_config.yml" file.

Affected products

• Jekyllrb Jekyll: up to and including 3.6.2; from 3.7.0, up to and including 3.7.3; from 3.8.0, up to and including 3.8.3

Published 2018-09-28. Last modified 2026-06-17.