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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/frappe/crm/blob/v1.81.1/crm/api/notifications.py
disclosure@vulncheck.com
https://github.com/frappe/crm/blob/v1.81.1/crm/fcrm/doctype/crm_notification/cr…
disclosure@vulncheck.com
https://github.com/frappe/crm/blob/v1.81.1/crm/hooks.py
disclosure@vulncheck.com
https://github.com/frappe/crm/commit/a24d73acefa7f98f46903858514444442ce57614
disclosure@vulncheck.com
https://github.com/frappe/crm/releases/tag/v1.81.2
disclosure@vulncheck.com
https://github.com/frappe/crm/security/advisories/GHSA-4rjw-6mxx-m345
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/frappe-crm-before-1.81.2-missing-authoriza…
disclosure@vulncheck.com