Claude Mem — agentic threat model
Claude Mem introduces significant security risks by automatically capturing, compressing, and re-injecting cross-session coding activity, creating a high-exposure vector for persistent memory poisoning and sensitive data exfiltration.
OWASP AIVSS score rationale
| Autonomy of Action | 0.60 | |
| Goal-Driven Planning | 0.30 | |
| Self-Modification | 0.80 | |
| Dynamic Tool Use | 0.40 | |
| Persistent Memory | 1.00 | |
| Contextual Awareness | 0.90 | |
| Dynamic Identity | 0.10 | |
| Multi-Agent Interactions | 0.20 | |
| Non-Determinism | 0.70 | |
| Opacity & Reflexivity | 0.60 |
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.
Not certain from the listing — The plugin relies on Claude Code's underlying foundation model (e.g., Claude 3.5 Sonnet) and is subject to prompt injection, but the listing does not specify the exact model version or model-level defenses.
The plugin automatically captures all session activity, compresses it, and stores it. This creates a high risk of data poisoning if malicious code or instructions are injected into a coding session, which then persist permanently in the vector/memory store.
Built on agent-sdk using hooks and skills. The framework is highly vulnerable to memory poisoning and indirect prompt injection, as the context re-injection mechanism can force the agent to execute unauthorized actions in future sessions.
Not certain from the listing — The plugin runs locally or within the Claude Code environment. The listing does not detail how the compressed memory files are secured on disk, whether they are encrypted, or how access controls are enforced.
Not certain from the listing — There is no mention of built-in guardrails, sanitization of retrieved memory, or monitoring tools to detect if poisoned context is being re-injected into active sessions.
Not certain from the listing — As an open-source plugin, it lacks explicit compliance certifications, access control policies, or audit logging mechanisms to track what data is captured and stored in the persistent memory.
The plugin integrates directly with Claude Code and agent-sdk. If another agent or tool interacts with Claude during a session, its outputs will be captured and permanently stored, potentially introducing cascading trust issues across the developer's toolchain.
MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).