Auth bypass in Frappe Crm
CVE-2026-108734
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.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
- hackmd.io/@haind03/frappe-crm-linked-docs-unchecked-read-20261010 (third-party-advisory)
- github.com/frappe/crm/blob/0d3910b456ef4fb913e77b29db011b3debc4f778/crm/api/doc… (technical-description)
- github.com/frappe/crm (product)
- www.vulncheck.com/advisories/frappe-crm-1.49.0-through-1.87.0-missing-authoriza… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108734?
- CVE-2026-108734 is a medium-severity vulnerability in Frappe Crm, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-11.
- How severe is CVE-2026-108734?
- Medium severity. CVSS v3 base score is 4.3 out of 10.