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Security audit

Tender Offer Arbitrage Scanner

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed financial-analysis workflow that searches public market sources and writes a local report, with no evidence of hidden execution, credential access, persistence, or account-changing behavior.

Install only if you want an agent to perform web-based tender-offer research and create local Markdown reports. Verify all SEC filings, prices, deadlines, and brokerage requirements independently before making investment decisions, and avoid using it if you cannot comfortably read the Chinese report output.

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
Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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 (5)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The natural-language documentation and example invocation are entirely in Chinese, with no indication that other languages are supported or that the user can choose their preferred language. This can constitute a language/locale policy issue when a skill implicitly requires a specific language without opt-in.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The README tells users to invoke the skill with a single natural-language phrase, "扫描当前市场上的要约收购套利机会," but does not define alternate allowed triggers, exclusions, or contextual limits. This makes activation criteria somewhat open-ended and could lead to unintended invocation from similar market-scanning requests.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The skill mandates Chinese-only output without offering the user a language choice. While not a classic security flaw, it can reduce transparency and user comprehension, which is risky in a financial-analysis context because users may miss warnings, assumptions, or side effects if they do not read Chinese.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
79% confidence
Finding

The file structure states that the agent-generated reports are saved under the results/ directory, which implies local file writes. The README does not explicitly warn users that running the skill will create or overwrite local analysis output files.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
95% confidence
Finding

The skill explicitly instructs the agent to save a generated report to a local path, but it does not require prior user consent or a warning before writing to the filesystem. Unconsented file creation can have side effects in agent environments, especially if users expect analysis-only behavior or if automated execution writes into sensitive or persistent workspaces.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.