Auth bypass in Cert/cc Vince

CVE-2026-18750

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18750: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18750?
CVE-2026-18750 is a medium-severity vulnerability in Cert/cc Vince, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-08-12.
How severe is CVE-2026-18750?
Medium severity. CVSS v3 base score is 5.3 out of 10.