CVE-2021-23664: Isomorphic-Git Cors-Proxy

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

The package @isomorphic-git/cors-proxy before 2.7.1 are vulnerable to Server-side Request Forgery (SSRF) due to missing sanitization and validation of the redirection action in middleware.js.

Affected products

• Isomorphic-Git Cors-Proxy: before 2.7.1 (fixed in 2.7.1)

Published 2022-01-21. Last modified 2026-06-17.