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Security audit

Feedier

Security checks for vulnerabilities and agentic risk

Overview

Feedier actions have sensible approval controls, but the required helper can make broader, undisclosed changes to installed agent skills.

Review setup before installation. Prefer a verified CLI release and set OO_SKILLS_SYNC_DISABLED=1 for each invocation to prevent its documented startup skill synchronization. Your Feedier requests pass through OOMOL. Review report changes, sharing, and deletion approvals carefully. The remote installer payload and hosted connector implementation remain unverified.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
Findings (3)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
98% confidence
Finding

The supplied code installs or bootstraps software through an external Oomol script; it contains no visible Feedier operations or evidence connecting this installation to Feedier functionality. Its observable behavior therefore materially differs from the declared purpose. The downloaded script's further effects cannot be determined from this chunk.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The setup command pipes a mutable remote script directly into Bash without verifying its contents, version, or integrity; the PowerShell alternative has the same weakness. If the distribution endpoint or supply chain is compromised, installation can execute attacker-controlled code with the invoking user's privileges, potentially exposing local credentials and files. Restricting installation to a missing-CLI error reduces exposure but does not eliminate the risk.

Content

Scanner excerpt · SKILL.md (reported line 60)May include surrounding context.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
80% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 81)May include surrounding context.

md
- **`OOMOL_INSUFFICIENT_CREDIT`** — OOMOL billing stop. Recharge at `https://console.oomol.com/billing/token-recharge` before retrying.

- **HTTP 402 without `OOMOL_INSUFFICIENT_CREDIT`** — the third-party account itself has no active plan or credit. Report the provider error message as is; do not ask the user to recharge OOMOL.

## Resources