CVE-2020-27196: Lightbend Play Framework

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

An issue was discovered in PlayJava in Play Framework 2.6.0 through 2.8.2. The body parsing of HTTP requests eagerly parses a payload given a Content-Type header. A deep JSON structure sent to a valid POST endpoint (that may or may not expect JSON payloads) causes a StackOverflowError and Denial of Service.

Affected products

• Lightbend Play Framework: up to and including 2.6.25; from 2.7.0, up to and including 2.7.5; from 2.8.0, up to and including 2.8.2

Published 2020-11-06. Last modified 2026-06-17.