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Security audit

Govee Lights Control

Security checks for vulnerabilities and agentic risk

Overview

This skill appears to only control Govee lights through Govee's API, with manageable setup and usage cautions.

Install dependencies in a virtual environment, consider pinning requests, keep GOVEE_API_KEY scoped to this use, run the list command first, and use exact device names or IDs when changing power, brightness, or color.

A.I.G

Vulnerability Patterns
  • Insecure DependenciesIntroduces malicious components through unsafe dependency sources
  • Insecure Skill Coding PracticesFinds exploitable flaws such as hardcoded secrets or command injection
  • 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
Findings (2)

T08 · Insecure Dependencies

Warning
Location
SKILL.md:31
Finding

Unpinned Third-Party Dependency Installation

Content
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Remediation
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``` 2. Generate and verify cryptographic hashes, then install with: ```bash python3 -m pip install --require-hashes -r requirements.txt ``` 3. Explicitly use a trusted package index where appropriate: ```bash python3 -m pip install --index-url https://pypi.org/simple --require-hashes -r requirements.txt ``` 4. Install the dependency inside a dedicated virtual environment rather than the system Python environment. 5. Periodically review and update the pinned version after vulnerability and compatibility testing. 6. Update both `SKILL.md` and `references/TROUBLESHOOTING.md` so they provide the same hardened installation procedure. ]]>

T09 · Insecure Skill Coding Practices

Note
Location
scripts/govee.py:36
Finding

Ambiguous Partial-Name Matching Can Control an Unintended Device

Content
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Remediation
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SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Taint TrackingDirect Taint Flow, Variable-Mediated Taint Flow, Credential Exfiltration Chain
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (6)

Tainted flow: 'HEADERS' from os.environ.get (line 19, credential/environment) → requests.get (network output)

Critical
Category
Data Flow
Confidence
90% confidence
Finding

Credentials or environment variables flow to a network sink. This is a high-confidence indicator of credential exfiltration.

Content

Scanner excerpt · scripts/govee.py (reported line 27)May include surrounding context.

python
def get_devices():
    """Fetch all devices linked to your Govee account."""
    response = requests.get(f"{BASE_URL}/user/devices", headers=HEADERS)
    response.raise_for_status()
    data = response.json()
    if data.get("code") == 200:

Tainted flow: 'HEADERS' from os.environ.get (line 19, credential/environment) → requests.post (network output)

Critical
Category
Data Flow
Confidence
90% confidence
Finding

Credentials or environment variables flow to a network sink. This is a high-confidence indicator of credential exfiltration.

Content

Scanner excerpt · scripts/govee.py (reported line 59)May include surrounding context.

python
"capability": capability
        }
    }
    response = requests.post(
        f"{BASE_URL}/device/control",
        headers=HEADERS,
        json=payload

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 30)May include surrounding context.

md
import uuid
import requests

# Get API key from environment variable
API_KEY = os.environ.get("GOVEE_API_KEY")
if not API_KEY:
    raise ValueError("GOVEE_API_KEY environment variable not set. "

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 · scripts/govee.py (reported line 11)May include surrounding context.

python
import uuid
import requests

# Get API key from environment variable
API_KEY = os.environ.get("GOVEE_API_KEY")
if not API_KEY:
    raise ValueError("GOVEE_API_KEY environment variable not set. "

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The skill defines broad natural-language triggers like 'Turn on [device name]' and 'Set [device name] to [color name or RGB]' without clear scope limits, confirmation requirements, or exclusion examples. In an agent setting, this can cause unintended execution from ambiguous user input or prompt-injected context, leading to unauthorized physical-device state changes.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
80% 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 · scripts/govee.py (reported line 59)May include surrounding context.

python
"capability": capability
        }
    }
    response = requests.post(
        f"{BASE_URL}/device/control",
        headers=HEADERS,
        json=payload

Static analysis

No suspicious patterns detected.