CVE-2026-3431

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 2, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-3431: Critical severity, CVSS 9.8 | Vulnix