T09 · Insecure Skill Coding Practices
- Location
meeting_assistant.py:96- Finding
Plaintext Persistence of Potentially Sensitive Meeting Data
- Content
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Vulnerability Details
File Location:
meeting_assistant.py:96-99andmeeting_assistant.py:145-163
Vulnerability Type: Sensitive data stored in plaintext without explicit access controls
Risk Level: MediumVulnerable Code
python def save_json(filepath, data): """Save JSON data.""" with open(filepath, "w", encoding="utf-8") as f: json.dump(data, f, ensure_ascii=False, indent=2)python meeting = { "id": generate_meeting_id(), "title": title, "date": datetime.now().strftime("%Y-%m-%d %H:%M"), "host": host, "location": location, "attendees": attendees or parsed.get("attendees", []), "absent": parsed.get("absent", []), "agenda": parsed.get("agenda", []), "discussion": parsed.get("discussion", ""), "decisions": parsed.get("decisions", []), "action_items": parsed.get("action_items", []), "next_meeting": parsed.get("next_meeting", {}), "created": datetime.now().isoformat() } data["meetings"].append(meeting) save_json(MEETINGS_FILE, data)Technical Analysis
The application persistently stores meeting participants, locations, discussion content, decisions, and action items in
meetings.jsonusing ordinary plaintext JSON serialization. The write operation does not explicitly apply owner-only file permissions, encrypt sensitive fields, implement retention limits, or obtain confirmation before persistence.Consequently, effective protection depends entirely on the process environment and its default filesystem
umask. On a shared or incorrectly configured system, another local user or process may be able to read confidential meeting records. The repository also contains a populatedmeetings.json, demonstrating that generated records can remain in the project directory and potentially be copied, archived, or committed inadvertently.No evidence of remote exfiltration, command execution, privile ...[truncated 1389 chars]
- Remediation
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Remediation Suggestions
- Create storage files with owner-only permissions such as
0600, and ensure the containing directory is restricted to the owning user. - Verify and correct permissions when opening an existing data file rather than relying on the environment's default
umask. - Store sensitive records in an operating-system-protected application data directory instead of alongside source code.
- Use platform-backed encryption or an authenticated encryption scheme for sensitive meeting content, with keys kept outside the project directory.
- Inform users clearly that submitted content will be stored persistently and obtain confirmation before saving confidential minutes.
- Implement configurable retention periods and secure deletion controls.
- Add
meetings.jsonand other generated data files to.gitignoreto reduce accidental source-control disclosure. - Consider atomic writes through a securely created temporary file followed by replacement to prevent partial files and reduce unsafe file-handling behavior.
- Create storage files with owner-only permissions such as