What is CVE-2026-18712?

CVE-2026-18712 is a high-severity vulnerability in Mongodb Server, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-08-11.

How severe is CVE-2026-18712?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Mongodb Server

CVE-2026-18712

An issue in MongoDB Server's Queryable Encryption maintenance operations could allow an authenticated user with privileges on one encrypted collection to cause unauthorized modification or destruction of data belonging to a different colle…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Mongodb Server — versions 8.3.0, 8.0, 7.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-18712?: CVE-2026-18712 is a high-severity vulnerability in Mongodb Server, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-08-11.
How severe is CVE-2026-18712?: High severity. CVSS v3 base score is 8.1 out of 10.