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Security audit

a-share-earnings-reviewer

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed A-share earnings report workflow with expected financial-data collection and report-writing behavior, and I found no hidden execution, persistence, credential handling, or exfiltration instructions.

Install only if you want a China A-share-focused financial research assistant. It may use current filings, conference notes, market databases, and user-provided models to create reports, so verify sources, respect data-license requirements, and treat ratings or target prices as research output rather than guaranteed investment advice.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding

Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
88% confidence
Finding

The file instructs the agent to produce output localized for A-share research and to follow domestic broker report style, which effectively forces a specific language/locale and market context. Under the policy, locale constraints should either be optional for the user or clearly justified as region-specific; this section does not explicitly present it as an opt-in choice.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.