CVE-2026-108734

Description

Frappe CRM 1.49.0 through 1.87.0 contains a missing authorization vulnerability in crm.api.doc.get_linked_docs_of_document that allows authenticated users to read linked documents without permission checks. Attackers can name a lead, deal, comment or user they cannot read to obtain linked call log phone numbers, deal organizations and mention notification text.

References

• https://github.com/frappe/crm
• https://github.com/frappe/crm/blob/0d3910b456ef4fb913e77b29db011b3debc4f778/crm/api/doc.py#L684-L725
• https://hackmd.io/@haind03/frappe-crm-linked-docs-unchecked-read-20261010
• https://www.vulncheck.com/advisories/frappe-crm-1.49.0-through-1.87.0-missing-authorization-via-get-linked-docs-of-document