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Security audit

Notion Calendar

Security checks for vulnerabilities and agentic risk

Overview

This skill is a clearly scoped Notion calendar helper that discloses its Notion API use and local memory files.

Install only if you intend to let an agent use your Notion integration for the selected calendar databases. Use a scoped Notion integration, share only the databases you want managed, and choose read-only or write-with-confirmation defaults for sensitive workspaces.

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 (4)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 93)May include surrounding context.

md
| Endpoint | Data Sent | Purpose |
|----------|-----------|---------|
| `https://api.notion.com/v1/search` | Search text, filters, pagination cursor | Find candidate databases, data sources, or pages |
| `https://api.notion.com/v1/databases/*` | Database ID | Retrieve container metadata and child data sources |
| `https://api.notion.com/v1/data_sources/*` | Data source IDs, filters, sorts, property schema updates | Query rows and inspect or update calendar schema |
| `https://api.notion.com/v1/pages/*` | Page properties and content updates | Create pages, reschedule items, update status |

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 94)May include surrounding context.

md
| Endpoint | Data Sent | Purpose |
|----------|-----------|---------|
| `https://api.notion.com/v1/search` | Search text, filters, pagination cursor | Find candidate databases, data sources, or pages |
| `https://api.notion.com/v1/databases/*` | Database ID | Retrieve container metadata and child data sources |
| `https://api.notion.com/v1/data_sources/*` | Data source IDs, filters, sorts, property schema updates | Query rows and inspect or update calendar schema |
| `https://api.notion.com/v1/pages/*` | Page properties and content updates | Create pages, reschedule items, update status |

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 95)May include surrounding context.

md
| Endpoint | Data Sent | Purpose |
|----------|-----------|---------|
| `https://api.notion.com/v1/search` | Search text, filters, pagination cursor | Find candidate databases, data sources, or pages |
| `https://api.notion.com/v1/databases/*` | Database ID | Retrieve container metadata and child data sources |
| `https://api.notion.com/v1/data_sources/*` | Data source IDs, filters, sorts, property schema updates | Query rows and inspect or update calendar schema |
| `https://api.notion.com/v1/pages/*` | Page properties and content updates | Create pages, reschedule items, update status |

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 96)May include surrounding context.

md
| Endpoint | Data Sent | Purpose |
|----------|-----------|---------|
| `https://api.notion.com/v1/search` | Search text, filters, pagination cursor | Find candidate databases, data sources, or pages |
| `https://api.notion.com/v1/databases/*` | Database ID | Retrieve container metadata and child data sources |
| `https://api.notion.com/v1/data_sources/*` | Data source IDs, filters, sorts, property schema updates | Query rows and inspect or update calendar schema |
| `https://api.notion.com/v1/pages/*` | Page properties and content updates | Create pages, reschedule items, update status |

Static analysis

No suspicious patterns detected.