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Security audit

Gws Chat

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Google Chat command reference, but users should be careful with delete and admin-level chat operations.

Install only if you intend to let an agent operate Google Chat through your gws credentials. Review schemas and target resources before mutating operations, and require explicit confirmation before deleting spaces, deleting emojis, updating spaces, uploading media, or using admin-access search/manage actions.

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)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The skill documents destructive operations such as spaces.delete and explicitly notes cascading deletion of messages and memberships, but it provides no nearby warning, confirmation guidance, or safety constraints for operators. In an agent skill context, this increases the chance of accidental high-impact actions from natural-language requests or misunderstood automation, leading to irreversible data loss in Google Chat spaces.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.