What is CVE-2026-13061?

CVE-2026-13061 is a medium-severity vulnerability in Mongodb Server, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-07-22.

How severe is CVE-2026-13061?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Mongodb Server

CVE-2026-13061

An authenticated user may be able to view session metadata belonging to other users on the system through the $listSessions aggregation stage. This information is normally restricted to users with cluster-level administrative privileges, a…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mongodb Server — versions 7.0, 8.0, 8.3.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cna@mongodb.com

Frequently asked questions

What is CVE-2026-13061?: CVE-2026-13061 is a medium-severity vulnerability in Mongodb Server, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-07-22.
How severe is CVE-2026-13061?: Medium severity. CVSS v3 base score is 4.3 out of 10.