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CVE-2026-3431

CRITICAL
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-3431
State
PUBLISHED
Assigner
tenable
Reserved
2026-03-02 12:35 UTC
Published
2026-03-02 13:00 UTC
Last updated
2026-03-02 13:33 UTC
Primary CWE
CWE-862
CWE-862 Missing Authorization
Vendor / Product
SimStudioAI / sim
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
SimStudioAI sim — 0 < 0.5.74
Weakness (CWE)
CWESourceDescription
CWE-862 cna CWE-862 Missing Authorization
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References (1)
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