CVE-2026-3431: critical vulnerability in SimStudioAI sim
Sim Studio AI - MongoDB SSRF and Arbitrary Document Deletion
Published
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.4%
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
SimStudioAI · simRelated CVEs — SimStudioAI sim
In the same product, most dangerous first.
CVE-2025-7107MEDIUMSimStudioAI sim route.ts handleLocalFile path traversalEPSS 0.9%CVE-2025-10097MEDIUMSimStudioAI sim route.ts code injectionEPSS 0.8%CVE-2025-9801MEDIUMSimStudioAI sim path traversalEPSS 0.8%CVE-2025-7114MEDIUMSimStudioAI sim Session route.ts POST missing authenticationEPSS 0.6%CVE-2026-3432CRITICALSim Studio AI - Unauthenticated OAuth Token TheftEPSS 0.3%CVE-2025-9800MEDIUMSimStudioAI sim HTML File route.ts import unrestricted uploadEPSS 0.3%