CVE-2025-50180: Esm Esm.sh

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 137 fixes the vulnerability.

Affected products

• Esm Esm.sh: before 137 (fixed in 137)

Published 2026-02-25. Last modified 2026-06-17.