CVE-2024-21536: Chimurai HTTP-Proxy-Middleware

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

Versions of the package http-proxy-middleware before 2.0.7, from 3.0.0 and before 3.0.3 are vulnerable to Denial of Service (DoS) due to an UnhandledPromiseRejection error thrown by micromatch. An attacker could kill the Node.js process and crash the server by making requests to certain paths.

Affected products

• Chimurai HTTP-Proxy-Middleware: before 2.0.7 (fixed in 2.0.7); from 3.0.0, before 3.0.3 (fixed in 3.0.3)

Published 2024-10-19. Last modified 2026-08-01.