CVE-2026-3431
Last modified
CVE-2026-3431 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sim | Sim | < 0.5.74 |
References
- https://www.tenable.com/security/research/tra-2026-12Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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