CVE-2025-67718: Formio

High severity, CVSS 8.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Form.io is a combined Form and API platform for Serverless applications. Versions 3.5.6 and below and 4.0.0-rc.1 through 4.4.2 contain a flaw in path handling which could allow an attacker to access protected API endpoints by sending a crafted request path. An unauthenticated or unauthorized request could retrieve data from endpoints that should be protected. This issue is fixed in versions 3.5.7 and 4.4.3.

Affected products

• Formio Formio: before 3.5.7 (fixed in 3.5.7); from 4.0.0-rc.1, before 4.4.3 (fixed in 4.4.3)

Published 2025-12-11. Last modified 2026-06-17.