CVE-2025-61668: Plone Volto

High severity, CVSS 8.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Volto is a ReactJS-based frontend for the Plone Content Management System. Versions 16.34.0 and below, 17.0.0 through 17.22.1, 18.0.0 through 18.27.1, and 19.0.0-alpha.1 through 19.0.0-alpha.5, an anonymous user could cause the NodeJS server part of Volto to quit with an error when visiting a specific URL. This issue is fixed in versions 16.34.1, 17.22.2, 18.27.2 and 19.0.0-alpha.6.

Affected products

• Plone Volto: before 16.34.1 (fixed in 16.34.1); from 17.0.0, before 17.22.2 (fixed in 17.22.2); from 18.0.0, before 18.27.2 (fixed in 18.27.2); from 19.0.0-alpha.1, before 19.0.0-alpha.6 (fixed in 19.0.0-alpha.6)

Published 2025-10-02. Last modified 2026-10-08.