CVE-2025-49393: Fetch Designs Sign-Up Sheets

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object Injection.This issue affects Sign-up Sheets: from n/a through <= 2.3.2.

Affected products

Published 2025-11-06. Last modified 2026-06-17.