CVE-2020-26883: Lightbend Play Framework

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

In Play Framework 2.6.0 through 2.8.2, stack consumption can occur because of unbounded recursion during parsing of crafted JSON documents.

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.