What’s Vulnerable › Vulnerabilities
CVE-2026-3431: Sim Studio AI - MongoDB SSRF and Arbitrary Document Deletion
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-02 · updated 2026-06-17
- Weakness: CWE-862
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.
Affected products
- SimStudioAI sim: before 0.5.74 — fixed in 0.5.74
How to fix
Upgrade to a fixed version: SimStudioAI sim 0.5.74. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-3431 or the next vulnerability affects your stack