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Security audit

oracle

Security checks for vulnerabilities and agentic risk

Overview

The verdict is benign with medium confidence: scanners found no AIG issues and one expected-for-purpose concern about an unpinned package download, while a missing reference leaves the review incomplete.

Before installing, consider whether you are comfortable with an unpinned package being downloaded and executed, and whether to use a reviewed, fixed version instead. The review is incomplete: a local path-like reference was not resolved, so the evidence does not cover that reference.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

MCP server referenced without pinned version: 'npx -y @steipete/oracle'.

Medium
Category
MCP Rug Pull
Confidence
96% confidence
Finding

The fallback command uses npx -y to download and execute an unpinned npm package without an installation confirmation, so a compromised future release could execute code with the agent's local permissions—even when invoked only with --help. Although this is a CLI rather than an MCP server, the supply-chain concern is valid; its intended access to project files increases potential exposure, while the preview and attachment guidance do not mitigate package execution risk.

Content

No source excerpt is available for this finding.