---
id: CVE-2026-111938
title: Frappe CRM before 1.74.0 Missing Authorization via add_note_to_call_log
summary: >-
  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_ta…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: frappe
product: crm
affected:
  - crm < 1.74.0
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T13:55:11.692Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111938'
references:
  - url: 'https://github.com/frappe/crm/security/advisories/GHSA-843p-qp2f-p2v8'
    label: GitHub Security Advisory (GHSA-843p-qp2f-p2v8)
  - url: >-
      https://github.com/frappe/crm/commit/7872f4d178bd9338dba2eb4fc4808f4060914be6
  - url: >-
      https://github.com/frappe/crm/commit/e30df91094033d8583a72e429726ba7bebc1534f
  - url: 'https://github.com/frappe/crm/releases/tag/v1.74.0'
    label: Frappe CRM v1.74.0 Release Notes
  - url: 'https://github.com/frappe/crm/blob/v1.73.2/crm/integrations/api.py'
  - url: >-
      https://www.vulncheck.com/advisories/frappe-crm-before-1.74.0-missing-authorization-via-add-note-to-call-log
    label: >-
      VulnCheck Advisory: Frappe CRM before 1.74.0 Missing Authorization via
      add_note_to_call_log
tags:
  - cve.org
ingestedAt: '2026-10-19T14:30:01.077Z'
---

## Overview

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.

## Affected

- `crm < 1.74.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.