CVE-2020-8192: Fastify

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A denial of service vulnerability exists in Fastify v2.14.1 and v3.0.0-rc.4 that allows a malicious user to trigger resource exhaustion (when the allErrors option is used) with specially crafted schemas.

Affected products

• Fastify Fastify: version 2.14.1 only; version 3.0.0 only

Published 2020-07-30. Last modified 2026-06-17.