CVE-2026-3431

On SimStudio version below to 0.5.74, the MongoDB tool endpoints accept arbitrary connection parameters from the caller without authentication or host restrictions. An attacker can leverage these endpoints to connect to any reachable MongoDB instance and perform unauthorized operations including reading, modifying, and deleting data.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.tenable.com/security/research/tra-2026-12	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:sim:sim:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-02 13:16

Updated : 2026-06-17 10:43

NVD link : CVE-2026-3431

Mitre link : CVE-2026-3431

CVE.ORG link : CVE-2026-3431

JSON object : View

Products Affected

sim

sim

CWE

CWE-862

Missing Authorization

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