## Agent Runtime Security Gap: Zero Prompt Injection Detection in Extensions Subsystem
A critical security vulnerability has been identified in the extensions subsystem (TypeScript Plugins) of the Agent Runtime. The system currently has zero prompt injection detection, no system prompt protection, and no output filtering mechanisms in place. This architectural oversight creates a systemic enabler for multiple attack vectors (referenced as ECO-019, ECO-011, ECO-050), allowing any message reaching the agent to manipulate its behavior without restriction.

The risk is assessed with a CVSS Score of 5.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N), classified under CWE-94: Improper Control of Generation of Code, and identified as a Tampering threat in the STRIDE model. It is marked as a P0 (Critical) priority issue.

The root cause analysis identifies the direct cause as the complete absence of prompt injection detection, system prompt protection, and output filtering in the extensions subsystem. The underlying cause is that security controls specifically designed to mitigate LLM-specific attacks were never integrated into the system's architecture.

The impact is broad: all users of the affected component are vulnerable, and the affected data includes credentials, configuration files, and user data. The entry point for this vulnerability is identified as `P-002`. While a Proof of Concept (POC) and specific exploitation conditions were omitted from the report, the theoretical validation confirms the severity of this security gap, which leaves the system open to manipulation and data compromise.
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- **Source**: 
- **Sector**: The Network
- **Tags**: typescript, security vulnerability, cwe-94, cvss score, llm-specific attacks
- **Credibility**: unverified
- **Published**: 2026-03-05 10:28:08
- **ID**: 1786
- **URL**: https://whisperx.ai/en/intel/1786