GCD AI RADAR
incidents/AIR-2025-0324

CVE-2025-8943: Flowise OS command remote code execution

Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability

An unauthenticated remote code execution vulnerability exists in Flowise due to missing authentication and lack of sandboxing in the Custom MCPs feature. The issue affects versions up to 3.0.5.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Framework / tooling
products
Flowise
incident date
14 Aug 2025
first reported
14 Aug 2025
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
CVE-2025-8943 · flowise · rce · mcp
record
created 2026-10-18 07:00Z · updated 2026-10-18 18:20Z · json

Sources · 2

  1. 2025-08-14
    CVE-2025-8943: Flowise OS command remote code execution
    GitHub Advisory Database · github.com/advisories/GHSA-2vv2-3x8x-4gv7
  2. 2025-08-14
    CVE-2025-8943: The Custom MCPs feature is designed to execute OS commands, for instance, using tools like `npx` to spin up local MCP Servers.
    NVD · nvd.nist.gov/vuln/detail/CVE-2025-8943

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