Security audit
SHVL receivables
Security checks for vulnerabilities and agentic risk
Overview
This skill is a read-only helper for viewing SHVL receivables information and does not instruct the agent to change records, send reminders, or export data.
Install only if you trust SHVL and the published @shvlapp/cli package, and use it with an account/workspace you intend the agent to read. The skill is designed for read-only receivables review, but it can expose sensitive customer and invoice information in chat summaries.
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