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Security audit

Perplexity Search

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed AIsa/Perplexity search client that sends user queries to the documented AIsa API when invoked.

Install this only if you intend to send search prompts and optional system instructions to AIsa/Perplexity using your AISA_API_KEY. Avoid entering secrets, private code, or sensitive personal data unless you are comfortable sharing it with that external API service.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (8)

Lp3

Medium
Category
MCP Least Privilege
Confidence
91% confidence
Finding
The skill requires environment access to `AISA_API_KEY` and performs outbound network requests, but it does not declare any explicit tool scope such as `permissions` or `allowed-tools`. In a permissive harness, this can cause the skill to run with broader capabilities than intended, reducing operator visibility and increasing the risk of unintended secret exposure or network use.

External Transmission

Medium
Category
Data Exfiltration
Content
--system "Respond in markdown with an executive summary first."
```

## Curl Examples

### Sonar
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
class PerplexitySearchClient:
    """Minimal client for AIsa Perplexity Sonar endpoints."""

    BASE_URL = "https://api.aisa.one/apis/v1"

    def __init__(self, api_key: Optional[str] = None):
        self.api_key = api_key or os.environ.get("AISA_API_KEY")
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
class PerplexitySearchClient:
    """Minimal client for AIsa Perplexity Sonar endpoints."""

    BASE_URL = "https://api.aisa.one/apis/v1"

    def __init__(self, api_key: Optional[str] = None):
        self.api_key = api_key or os.environ.get("AISA_API_KEY")
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
class PerplexitySearchClient:
    """Minimal client for AIsa Perplexity Sonar endpoints."""

    BASE_URL = "https://api.aisa.one/apis/v1"

    def __init__(self, api_key: Optional[str] = None):
        self.api_key = api_key or os.environ.get("AISA_API_KEY")
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
class PerplexitySearchClient:
    """Minimal client for AIsa Perplexity Sonar endpoints."""

    BASE_URL = "https://api.aisa.one/apis/v1"

    def __init__(self, api_key: Optional[str] = None):
        self.api_key = api_key or os.environ.get("AISA_API_KEY")
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
class PerplexitySearchClient:
    """Minimal client for AIsa Perplexity Sonar endpoints."""

    BASE_URL = "https://api.aisa.one/apis/v1"

    def __init__(self, api_key: Optional[str] = None):
        self.api_key = api_key or os.environ.get("AISA_API_KEY")
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Missing User Warnings

Medium
Confidence
90% confidence
Finding
This code sends the user-provided query and optional system instruction to the remote AIsa API over HTTP POST, but the file provides no explicit user-facing disclosure beyond general usage text. For a code file, network transmission of user data should have some visible warning, comment, or other disclosure so users understand their prompts are being sent off-box.

Static analysis

No suspicious patterns detected.