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github-issue-creator — agentic threat model

5.0AIVSS 5.0 · Medium

The github-issue-creator acts primarily as a passive text-and-image formatter with low agentic risk, but presents a potential vector for indirect prompt injection if untrusted input is processed into GitHub markdown.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 4.3AARS uplift 0.74Factor sum 1.3/10Threat ×1.0Mitigation ×1.0
Autonomy of Action
0.10
Goal-Driven Planning
0.20
Self-Modification
0.00
Dynamic Tool Use
0.10
Persistent Memory
0.00
Contextual Awareness
0.30
Dynamic Identity
0.00
Multi-Agent Interactions
0.00
Non-Determinism
0.40
Opacity & Reflexivity
0.20

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 utilizes a commercial multimodal foundation model (e.g., GPT-4V) to parse screenshots, voice dictation, and text. Key threats include adversarial prompt injection via pasted error logs or images designed to hijack the output formatting.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — the agent processes user-provided inputs (text, images, voice) on the fly. There is no explicit mention of a persistent vector database or RAG architecture, meaning data poisoning risks are low, though data exfiltration via rendered markdown links remains a threat.

L3 · Agent Frameworks✓ mapped

The agent framework is designed as a Microsoft skill to convert informal inputs into structured markdown. The primary framework risk is insecure tool integration if the agent directly calls GitHub APIs to publish issues without a human-in-the-loop approval step.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — deployment details are unspecified, though as a Microsoft skill, it likely runs within Azure/Microsoft infrastructure. Risks include insecure handling of temporary image/GIF uploads and potential exposure of API tokens if integrated with GitHub.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — there is no mention of built-in guardrails, output validation, or logging mechanisms to detect if the generated markdown contains malicious payloads or phishing links.

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

Not certain from the listing — identity and access management controls governing who can invoke this skill or write to the target GitHub repositories are not detailed in the public directory listing.

L7 · Agent Ecosystem✓ mapped

The agent operates as a standalone utility skill with no multi-agent coordination or ecosystem marketplace interactions described, making L7 threats minimal.

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