Description
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.
References7
- github.com/frappe/crm/blob/v1.81.1/crm/api/notifications.py
- github.com/frappe/crm/blob/v1.81.1/crm/fcrm/doctype/crm_notific…
- github.com/frappe/crm/blob/v1.81.1/crm/hooks.py
- github.com/frappe/crm/commit/a24d73acefa7f98f46903858514444442c…
- github.com/frappe/crm/releases/tag/v1.81.2
- github.com/frappe/crm/security/advisories/GHSA-4rjw-6mxx-m345
- www.vulncheck.com/advisories/frappe-crm-before-1.81.2-missing-a…
Metrics
- CVSS 3.1
-
5.4
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 4.0
-
5.3
MEDIUM
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 14 · as of 10 November 2026
- CWE
- CWE-862
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.