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v0 — agentic threat model

5.7AIVSS 5.7 · Medium

v0 is a low-autonomy, human-in-the-loop coding assistant with low direct execution risk, but it carries indirect risks of generating insecure or malicious UI code (e.g., XSS, malicious dependencies) if subjected to prompt injection or data poisoning.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 6.3AARS uplift 0.85Factor sum 2.3/10Threat ×1.0Mitigation ×0.8
Autonomy of Action
0.20
Goal-Driven Planning
0.20
Self-Modification
0.00
Dynamic Tool Use
0.10
Persistent Memory
0.20
Contextual Awareness
0.40
Dynamic Identity
0.00
Multi-Agent Interactions
0.00
Non-Determinism
0.70
Opacity & Reflexivity
0.50

Scored with the canonical OWASP AIVSS formula (AIVSS calculator reference); agentic risk factors estimated from the agent’s described capabilities.

MAESTRO 7-layer threat model

Per-layer threats for this agent. Layers tagged “not certain from listing” are general, caveated commentary where the public description didn’t pin that layer.

L1 · Foundation Models⚠ not certain from listing

Not certain from the listing — likely relies on state-of-the-art frontier models (e.g., GPT-4o or Claude) for code generation. Primary threats include prompt injection to bypass safety filters or generate malicious scripts, and potential model reprogramming.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — likely utilizes RAG or vector databases containing UI component documentation (Tailwind, Shadcn UI). Threats include knowledge-base poisoning, which could cause the agent to consistently generate outdated or vulnerable code patterns.

L3 · Agent Frameworks⚠ not certain from listing

Not certain from the listing — uses a custom orchestration framework to translate natural language and images into structured React/Tailwind code. Threats include insecure handling of user-uploaded images (e.g., exploit payloads in image metadata) and prompt injection manipulating the code generation logic.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — hosted on Vercel's cloud infrastructure. The 'Real-time Preview' feature requires robust sandboxing (e.g., iframe isolation, CSPs) to prevent generated malicious JavaScript from executing in the context of the user's session or accessing sensitive cookies.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — likely monitors generation success and user feedback. A key security gap would be the lack of automated static application security testing (SAST) on the generated code before displaying it to the user.

L6 · Security & Compliance (cross-cutting)⚠ not certain from listing

Not certain from the listing — Vercel maintains high enterprise security standards (SOC 2), but specific compliance boundaries regarding user-uploaded design IP, code ownership, and data retention for model training are not detailed in the public listing.

L7 · Agent Ecosystem✓ mapped

The listing does not mention any multi-agent orchestration, marketplace integrations, or autonomous agent-to-agent communication; it operates strictly as a single-agent developer tool.

MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).