CVE-2020-8135: Uppy

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The uppy npm package < 1.9.3 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external network or otherwise interact with internal systems.

Affected products

• Uppy Uppy: before 1.9.3 (fixed in 1.9.3)

Published 2020-03-20. Last modified 2026-06-17.