CVE-2020-8237: JSON-Bigint Project JSON-Bigint

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Prototype pollution in json-bigint npm package < 1.0.0 may lead to a denial-of-service (DoS) attack.

Affected products

• JSON-Bigint Project JSON-Bigint: before 1.0.0 (fixed in 1.0.0)

Published 2020-09-18. Last modified 2026-06-17.