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spec-driven-development — agentic threat model

7.0AIVSS 7.0 · High

This agent acts as a specification-drafting gatekeeper; its primary risk lies in downstream propagation of malicious or flawed specifications to code-generation agents if the gating mechanism is bypassed via prompt injection.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 5.5AARS uplift 1.48Factor sum 3.3/10Threat ×1.0Mitigation ×1.0
Autonomy of Action
0.30
Goal-Driven Planning
0.60
Self-Modification
0.10
Dynamic Tool Use
0.20
Persistent Memory
0.20
Contextual Awareness
0.50
Dynamic Identity
0.00
Multi-Agent Interactions
0.40
Non-Determinism
0.60
Opacity & Reflexivity
0.40

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 — The underlying foundation model is not specified, but it is susceptible to prompt injection that could bypass the specification gate or force the generation of malicious requirements.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — The skill processes user-provided requirements and vague ideas, but there is no mention of persistent vector stores or RAG data operations.

L3 · Agent Frameworks✓ mapped

The agent framework implements a 'spec-before-code gate' orchestration. A key threat is framework bypass, where a user or downstream process circumvents the gate, or where the agent generates a spec containing hidden malicious instructions for a downstream code generator.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — As an open-source skill, deployment and sandboxing depend entirely on the host environment executing the addyosmani skill.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — There are no explicit evaluation, logging, or guardrail mechanisms mentioned to verify the safety or accuracy of the generated specifications.

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

Not certain from the listing — No security compliance, authentication, or authorization policies are described for this open-source skill.

L7 · Agent Ecosystem✓ mapped

The agent is designed to interface with coding workflows (potentially other coding agents). This creates an A2A trust abuse risk where a downstream developer agent blindly trusts and executes code based on the spec generated by this agent.

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