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CVE-2026-3431

CRITICAL CVSS 3.1: 9.8 EPSS 0.07%
Updated Mar 02, 2026
MongoDB
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-862 (Missing Authorization)
Vendor MongoDB
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1