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Security audit

GramGate

Security checks for vulnerabilities and agentic risk

Overview

This skill provides disclosed local Telegram account access for automation, with sensitive read/write capability but no hidden or bundled malicious behavior.

Install only if you intend to let an agent use your real Telegram account. Keep the service bound to localhost when possible, require authentication if exposed, and review any task that sends, edits, deletes, joins, leaves, pins, reacts, or clicks buttons because those actions happen as the user account.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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)

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 61)May include surrounding context.

Health and account

bash
curl -s http://127.0.0.1:18791/health
curl -s http://127.0.0.1:18791/api/me
curl -s http://127.0.0.1:18791/api/dialogs?limit=30

Static analysis

No suspicious patterns detected.