Unsupervised OS command execution leads to remote code execution by unauthenticated network attackers (flowise)
At a glance
- Source
- NVD
- EPSS
- EPSS 75.20 % · percentile 100 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- JFROG
- NVD status
- Analyzed
Description
The Custom MCPs feature is designed to execute OS commands, for instance, using tools like `npx` to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls (RBAC). Furthermore, in Flowise versions before 3.0.1 the default installation operates without authentication unless explicitly configured. This combination allows unauthenticated network attackers to execute unsandboxed OS commands.
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | JFROG |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · reefs@jfrog.com (Secondary) |
Advisories
- GHSA-2vv2-3x8x-4gv7 — Flowise OS command remote code execution
European references
- ENISA EUVD · EUVD-2025-24801
- GCVE · GCVE-0-2025-8943
Affected configurations (NVD CPE)
cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*< 3.0.1
Affected products
| Product | Versions |
|---|---|
| flowise | affected 0 < 3.0.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |