CVE-2022-1427: Mruby

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited.

Affected products

• Mruby Mruby: before 3.2 (fixed in 3.2)

Published 2022-04-23. Last modified 2026-06-17.