CVE-2026-13059

Improper Validation of Client-Supplied Command Parameters Allowing Role-Based Access Control Bypass

CVE-2026-13059 is fixed in MongoDB on 1 platform by MongoDB 8.3.7 (version 8.3.7), released June 11, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.6

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0038

32nd percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
MongoDB	8.3.7	MongoDB 8.3.7	Jun 11, 2026

Details

Published
July 22, 2026
Weakness
CWE-807: Reliance on Untrusted Inputs in a Security Decision
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-13059

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