What is CVE-2026-13067?

CVE-2026-13067 is a medium-severity vulnerability in Mongodb Server, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2026-07-22.

How severe is CVE-2026-13067?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Mongodb Server

CVE-2026-13067

When PROXY protocol v2 is used on the Unix domain socket path, roles derived from X.509 client certificates may not be validated against the configured tlsCATrusts allow-list. This can result in unintended role assignments following MONGOD…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Mongodb Server — versions 8.0, 8.3.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-13067?: CVE-2026-13067 is a medium-severity vulnerability in Mongodb Server, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2026-07-22.
How severe is CVE-2026-13067?: Medium severity. CVSS v3 base score is 6.3 out of 10.