CVE-2026-13059: Improper Validation of Client-Supplied Command Parameters Allowing Role-Based Access Control Bypass

Published Jul 22, 2026
·
Updated

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.

Affected Software

4 affected components
MongoDB MongoDB>=7.0.0<7.0.39
MongoDB MongoDB>=8.0.0<8.0.28
MongoDB MongoDB>=8.2.0<8.2.12
MongoDB MongoDB>=8.3.0<8.3.7

Event History

Jul 22, 2026
CVE Published
via MITRE·07:21 PM
Data Sourced
via MITRE·07:21 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-13059?

The severity of CVE-2026-13059 is rated high with a score of 8.1.

2

How do I fix CVE-2026-13059?

To fix CVE-2026-13059, ensure proper validation of client-supplied command parameters to enforce role-based access controls.

3

What are the potential impacts of CVE-2026-13059?

CVE-2026-13059 may allow an authenticated low-privilege user to read or write unauthorized data due to access control bypass.

4

Who is affected by CVE-2026-13059?

Authenticated users with low privileges are primarily affected by CVE-2026-13059.

5

What commands are impacted by CVE-2026-13059?

CVE-2026-13059 affects find, update, delete, and aggregate commands that utilize role-based access controls.

Contact

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