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Security audit

Tag Duplicate PRs and Issues

Security checks for vulnerabilities and agentic risk

Overview

The scanners returned a benign verdict, with no AIG findings and one low-confidence contextual concern about a reference to another skill; coverage was partial because that referenced path was missing.

The verdict is benign, but benign does not mean risk-free. Consider whether the reference to another skill fits your workflow. Skillspector could not resolve that reference, so its evidence is incomplete; review the skill’s contents and any referenced material before installing.

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
  • 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 (1)

Skill Enumeration

Medium
Category
Agent Snooping
Confidence
80% confidence
Finding

Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.

Content

Scanner excerpt · SKILL.md (reported line 21)May include surrounding context.

md
### Companion Skills

Use `$gitcrawl` first for local candidate discovery.
Use the `prtags` skill from the `prtags` repo at `skills/prtags/SKILL.md` when it is available.

### Install the CLIs