CVE-2026-3431

CRITICAL

SimStudio <0.5.74 - Unauthenticated MongoDB Access

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0035
EPSS Percentile 26.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-862
Status published
Products (1)
sim/sim < 0.5.74
Published Mar 02, 2026
Tracked Since Mar 02, 2026