CVE-2026-66000: Frappe

Low severity, CVSS 2.3. EPSS: 0.5% chance of exploitation in the next 30 days.

Frappe is a full-stack web application framework. Prior to 16.23.0 and 15.112.0, Document Follow notification generation does not re-evaluate the recipient's current document permissions, allowing users whose access was revoked or reduced to continue receiving document data by email. This issue is fixed in versions 16.23.0 and 15.112.0.

Affected products

• Frappe Frappe: from 16.0.0-beta.1, before 16.19.0 (fixed in 16.19.0); from 15.0.0, before 15.109.0 (fixed in 15.109.0)

Published 2026-08-07. Last modified 2026-09-08.