Security audit

file-browser

Security checks for vulnerabilities and agentic risk

Overview

This read-only workspace file browser has a real containment flaw that can expose files outside the intended workspace through symlinks.

Review before installing. The skill is not trying to write, persist, or fetch remote code, but it should not be trusted as a strict workspace-only browser until paths are canonicalized and JSON output is produced with a real encoder.

A.I.G

Vulnerability Patterns

Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs
Insecure Skill Coding PracticesFinds exploitable flaws such as hardcoded secrets or command injection
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

Findings (2)

T05 · Unauthorized Access and Privilege Escalation

Error

Location: scripts/read_file.sh:4
Finding: Workspace Boundary Bypass Through Symbolic Links
Content: View full analysis
Remediation: View remediation

T09 · Insecure Skill Coding Practices

Warning

Location: scripts/list_files.sh:16
Finding: Unescaped File Names and Contents Produce Unsafe JSON Output
Content: View full analysis
Remediation: View remediation

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

Static analysis

No suspicious patterns detected.