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Security audit

Tapfiliate

Security checks for vulnerabilities and agentic risk

Overview

Tapfiliate actions have clear approval controls, but setup can execute unverified downloaded code and introduce broader agent changes without clear user approval.

Review and approve CLI installation separately, including whether it may install or synchronize other agent skills. Check OOMOL's access to your Tapfiliate account and retain write confirmations. The remote installer contents could not be inspected; no malicious payload was established.

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
Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
96% confidence
Finding

The supplied code performs remote script execution rather than any visible Tapfiliate operation. Dependency installation can be a supporting implementation detail, but the supplied chunk establishes no connection between this Oomol installer and the declared Tapfiliate functionality. The downloaded script's contents and resulting actions are not available for assessment.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The curl-to-bash pipeline immediately executes whatever script the remote endpoint supplies, without version pinning or independent integrity verification. Compromise of the distribution endpoint could therefore execute malicious code with the user's permissions, potentially exposing local credentials or files; the legitimate dependency and conditional setup reduce exposure but do not remove this supply-chain risk.

Content

Scanner excerpt · SKILL.md (reported line 65)May include surrounding context.

The setup workflow executes downloaded installation scripts without warning about remote-code execution or system changes.

Medium
Category
Output Handling
Confidence
92% confidence
Finding

The setup instructions direct execution of downloaded shell or PowerShell code without requiring informed approval or verification of the downloaded artifact. Although limited to first-time setup, this can turn an ordinary Tapfiliate request into local code execution and system changes with the invoking user's permissions.

Content

No source excerpt is available for this finding.

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 86)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