What is CVE-2026-13059?

CVE-2026-13059 is a high-severity vulnerability in MongoDB, classified under CWE-807. CVSS score: 8.1/10. Published 2026-07-22.

How severe is CVE-2026-13059?

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

Vulnerability in MongoDB

CVE-2026-13059

An authenticated user with low privileges may be able to perform unauthorized reads and writes on data protected by role-based query-level access controls, due to insufficient validation of certain client-supplied command parameters. The issue affects find, update, delete, and aggregate commands in non-apiStrict configurations.

EPSS: 0.004 (31.4th percentile) — read the EPSS interpretation.

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:H/I:H/A:N.

Affected products

Mongodb
Mongodb Server — versions 7.0, 8.0, 8.2.0

Weakness classification (CWE)

CWE-807

References

cna@mongodb.com (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-13059?: CVE-2026-13059 is a high-severity vulnerability in MongoDB, classified under CWE-807. CVSS score: 8.1/10. Published 2026-07-22.
How severe is CVE-2026-13059?: High severity. CVSS v3 base score is 8.1 out of 10.