Security audit
nansen-web-searcher
Security checks for vulnerabilities and agentic risk
Overview
This skill is a disclosed Nansen CLI wrapper for web search, with credential use and install steps that fit its stated purpose.
Before installing, understand that this skill uses the Nansen CLI and may use your NANSEN_API_KEY or selected Nansen browser session. Only use it for searches you intend to run through Nansen, and be aware that its tool allowance covers nansen CLI commands broadly.
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
- 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
Static analysis
No suspicious patterns detected.