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Security audit

Foleyix

Security checks for vulnerabilities and agentic risk

Overview

This is a disclosed Foleyix audio-generation skill that uses the user's account and local login state, with no evidence of hidden or unrelated behavior.

Install this only if you want an agent to use your Foleyix account for quota checks, audio generation, task lookup, and WAV downloads. Keep login approval in the browser, do not share the private config files, and use the skill's logout command if you want to revoke the CLI connection.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

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/foleyix.mjs (reported line 173)May include surrounding context.

js
await privateDirectory(root);
  const directory = path.join(root, hash(origin));
  await privateDirectory(directory);
  config = { root, directory, credentials: path.join(directory, 'credentials.json'), journal: path.join(directory, 'requests.json'), lock: path.join(directory, '.lock') };
}
async function readPrivate(file, optional = true) {
  let handle;

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
94% confidence
Finding

The skill invokes a local Node CLI with network access and relies on environment/config state, but it does not declare any explicit tool scope such as allowed tools or permissions. This creates an authorization gap where a host may grant broader shell, network, or environment access than users expect, increasing the risk of unintended command execution or data exposure through the agent runtime.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The default prompt instructs the agent to invoke Foleyix for a wide range of audio-related actions ('prepare', 'check my quota', 'generate audio', and 'deliver the finished WAV file') without clear gating conditions or user-confirmation boundaries. Combined with allow_implicit_invocation: true, this can cause the skill to activate on loosely related requests and perform account-scoped actions or retrieve private audio when the user did not explicitly intend tool use.

Content

No source excerpt is available for this finding.

Scope Creep

Low
Category
Excessive Agency
Confidence
70% confidence
Finding

Skill's behavior or capabilities extend beyond its stated purpose. Scope creep allows an agent to perform actions unrelated to its documented functionality, increasing the attack surface.

Content

Scanner excerpt · LICENSE (reported line 7)May include surrounding context.

text
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Static analysis

No suspicious patterns detected.