CVE-2026-111938

Frappe CRM before 1.74.0 contains a missing authorization vulnerability that allows authenticated Sales Users to modify other users' call logs by supplying arbitrary call_sid values. Attackers can call the add_note_to_call_log and add_task_to_call_log endpoints to attach attacker-written notes and tasks that appear on victims' call logs, leads, and deals.

Score

CVSS 4.0 5.3 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-19

Last modified

2026-10-19

Weaknesses

CWE-862

Affected products

• Frappe Crm (Frappe)

References

• https://github.com/frappe/crm/security/advisories/GHSA-843p-qp2f-p2v8
• https://github.com/frappe/crm/commit/7872f4d178bd9338dba2eb4fc4808f4060914be6
• https://github.com/frappe/crm/commit/e30df91094033d8583a72e429726ba7bebc1534f
• https://github.com/frappe/crm/releases/tag/v1.74.0
• https://github.com/frappe/crm/blob/v1.73.2/crm/integrations/api.py
• https://www.vulncheck.com/advisories/frappe-crm-before-1.74.0-missing-authorization-via-add-note-to-call-log