Back to skill

Security audit

Daily

Security checks for vulnerabilities and agentic risk

Overview

The skill requires confirmation for Daily changes, but its fallback setup can execute remote installation code without asking you first.

Review setup before installing. Install the CLI yourself from a verified release and require approval before any installer runs. Check whether it adds or updates other agent skills, and connect only the intended Daily account. Daily writes and deletions already require confirmation; the material concern is uncontrolled dependency setup, not evidence of malicious intent.

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
99% confidence
Finding

The supplied code installs software from cli.oomol.com rather than interacting with Daily. Nothing in the chunk establishes this installer as a supporting dependency for Daily functionality. Remote script execution is not disclosed by the description, and the downloaded script's further behavior 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 command streams a mutable remote script directly into Bash without independent integrity verification or review; the PowerShell alternative uses the same execution pattern. Although the URL belongs to the declared integration provider and setup is conditional, compromise of the distribution endpoint could execute arbitrary code with the invoking user's privileges.

Content

Scanner excerpt · SKILL.md (reported line 61)May include surrounding context.

First-time setup executes remote installation scripts without warning the user about local system changes.

Medium
Category
Output Handling
Confidence
93% confidence
Finding

The fallback directs the agent to install software when the CLI is missing without explicitly obtaining approval for local system changes. The missing-command prerequisite limits when this occurs, but the write-confirmation safeguards cover Daily state changes rather than local installation.

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 82)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