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Security audit

Guaikei Kuaishou

Security checks across malware telemetry and agentic risk

Overview

This skill is a purpose-aligned Kuaishou public-data collection tool, with the main caveat that successful results are saved locally in logs.

Before installing, confirm you are comfortable sending Kuaishou query/link inputs and the GUAIKEI_API_TOKEN to the guaikei.com API, and remember that successful outputs are saved locally under logs until you delete them.

A.I.G

By Tencent
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

By NVIDIA
Vulnerability Patterns
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

Missing User Warnings

Low
Confidence
85% confidence
Finding
The README explicitly states that all task results are automatically saved to a local logs directory, but it does not clearly warn that harvested platform data, comments, and analysis outputs will be persisted on disk. This can create unintended local retention of potentially sensitive or regulated data, increasing exposure to unauthorized access, over-retention, or accidental sharing, especially in multi-user or shared environments.

Missing User Warnings

Medium
Confidence
79% confidence
Finding
The script writes fetched comment data to a local JSON file automatically after successful execution, without any explicit opt-in or warning in this file. If comments contain personal data, account identifiers, or sensitive content, this creates an unnecessary local data-retention risk and may expose data to other local users, backup systems, or later unintended processing.

VirusTotal

64/64 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

Detected: suspicious.exposed_secret_literal

File appears to expose a hardcoded API secret or token.

Critical
Code
suspicious.exposed_secret_literal
Location
SKILL.md:15