CVE-2021-46463: F5 Njs

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

njs through 0.7.1, used in NGINX, was discovered to contain a control flow hijack caused by a Type Confusion vulnerability in njs_promise_perform_then().

Affected products

• F5 Njs: up to and including 0.7.1

Published 2022-02-14. Last modified 2026-06-17.