---
id: CVE-2026-18750
title: "vinny/views.py: (ModifyEmailNotifications)\tIDOR: view fetches VinceCommEmail by raw pk from URL and toggles email_function/name without checking the record's contact belongs to the requesting group-admin"
summary: "vinny/views.py: (ModifyEmailNotifications)\tIDOR: view fetches VinceCommEmail by raw pk from URL and toggles email_function/name without checking the record's contact belongs to the requesting group-admin. Lets a vendor admin flip notific…"
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-639
published: '2026-08-12'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T14:07:24.140'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-18750'
references:
  - url: 'https://certcc.github.com/CERTCC/VINCE/'
    label: cret@cert.org
  - url: 'https://github.com/CERTCC/VINCE/pull/235'
    label: cret@cert.org
tags:
  - nvd
epss: 0.00325
epssPercentile: 0.22911
ingestedAt: '2026-09-08T15:33:26.953Z'
---

## Overview

vinny/views.py: (ModifyEmailNotifications)	IDOR: view fetches VinceCommEmail by raw pk from URL and toggles email_function/name without checking the record's contact belongs to the requesting group-admin. Lets a vendor admin flip notification routing (or read email/name) for another vendor's contact.

## Remediation

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