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Security audit

Google Sheets

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed Google Sheets management wrapper around the porteden CLI, with expected credential and spreadsheet access for that purpose.

Install only if you trust the porteden CLI source. Use a dedicated Google account or profile when practical, avoid broad Drive scopes unless needed, keep PE_API_KEY narrowly scoped, and manually confirm any share or delete operation.

A.I.G

Vulnerability Patterns
  • Insecure DependenciesIntroduces malicious components through unsafe dependency sources
  • 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
Findings (1)

T08 · Insecure Dependencies

Warning
Location
SKILL.md:5
Finding

Unpinned Third-Party CLI Installation Creates a Supply-Chain Risk

Content
View full analysis
Remediation
View remediation

SkillSpector

Vulnerability Patterns
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (3)

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 5)May include surrounding context.

md
name: porteden-sheets
description: Google Sheets Secure Management. Use when the user wants to create, read, write, or append spreadsheet data; manage tabs (read/add/delete); copy spreadsheets; or manage sharing, permissions, renames, and deletes.
version: 1.0.8
metadata: {"openclaw":{"emoji":"📊","homepage":"https://porteden.com","requires":{"bins":["porteden"]},"primaryEnv":"PE_API_KEY","envVars":[{"name":"PE_API_KEY","required":false,"description":"API key; if unset, credentials are read from the system keyring via `porteden auth login`"}],"install":[{"id":"brew","kind":"brew","formula":"porteden/tap/porteden","bins":["porteden"],"label":"Install porteden (brew)"},{"id":"go","kind":"go","module":"github.com/porteden/cli/cmd/porteden@latest","bins":["porteden"],"label":"Install porteden (go)"}]}}
---

# porteden sheets

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 16)May include surrounding context.

md
name: porteden-sheets
description: Google Sheets Secure Management. Use when the user wants to create, read, write, or append spreadsheet data; manage tabs (read/add/delete); copy spreadsheets; or manage sharing, permissions, renames, and deletes.
version: 1.0.8
metadata: {"openclaw":{"emoji":"📊","homepage":"https://porteden.com","requires":{"bins":["porteden"]},"primaryEnv":"PE_API_KEY","envVars":[{"name":"PE_API_KEY","required":false,"description":"API key; if unset, credentials are read from the system keyring via `porteden auth login`"}],"install":[{"id":"brew","kind":"brew","formula":"porteden/tap/porteden","bins":["porteden"],"label":"Install porteden (brew)"},{"id":"go","kind":"go","module":"github.com/porteden/cli/cmd/porteden@latest","bins":["porteden"],"label":"Install porteden (go)"}]}}
---

# porteden sheets

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 17)May include surrounding context.

md
name: porteden-sheets
description: Google Sheets Secure Management. Use when the user wants to create, read, write, or append spreadsheet data; manage tabs (read/add/delete); copy spreadsheets; or manage sharing, permissions, renames, and deletes.
version: 1.0.8
metadata: {"openclaw":{"emoji":"📊","homepage":"https://porteden.com","requires":{"bins":["porteden"]},"primaryEnv":"PE_API_KEY","envVars":[{"name":"PE_API_KEY","required":false,"description":"API key; if unset, credentials are read from the system keyring via `porteden auth login`"}],"install":[{"id":"brew","kind":"brew","formula":"porteden/tap/porteden","bins":["porteden"],"label":"Install porteden (brew)"},{"id":"go","kind":"go","module":"github.com/porteden/cli/cmd/porteden@latest","bins":["porteden"],"label":"Install porteden (go)"}]}}
---

# porteden sheets

Static analysis

No suspicious patterns detected.