Auth bypass in Frappe Crm
CVE-2026-111937
Frappe CRM before 1.81.2 contains a missing authorization vulnerability that allows authenticated Sales Users to access other users' CRM Notification records due to absent permission hooks. Attackers can query frappe.client endpoints filtering on to_user or call mark_as_read with another user argument to read, mark read, or delete others' notifications.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/frappe/crm/security/advisories/GHSA-4rjw-6mxx-m345 (vendor-advisory)
- github.com/frappe/crm/commit/a24d73acefa7f98f46903858514444442ce57614 (patch)
- github.com/frappe/crm/releases/tag/v1.81.2 (release-notes)
- github.com/frappe/crm/blob/v1.81.1/crm/api/notifications.py (technical-description)
- github.com/frappe/crm/blob/v1.81.1/crm/hooks.py (technical-description)
- github.com/frappe/crm/blob/v1.81.1/crm/fcrm/doctype/crm_notification/crm_notifi… (technical-description)
- www.vulncheck.com/advisories/frappe-crm-before-1.81.2-missing-authorization-on-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111937?
- CVE-2026-111937 is a medium-severity vulnerability in Frappe Crm, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-19.
- How severe is CVE-2026-111937?
- Medium severity. CVSS v3 base score is 5.4 out of 10.