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Security audit

Crustdata

Security checks for vulnerabilities and agentic risk

Overview

The skill is mostly a coherent Crustdata connector, but its setup instructions include unsafe remote installer commands that execute downloaded code without verification.

Install only if you are comfortable with the OOMOL CLI setup path. Prefer manually reviewed, version-pinned, checksum-verified installation instructions instead of piping remote scripts directly into a shell, and avoid running the installer with elevated privileges. The Crustdata connector workflow itself appears disclosed and read-oriented once the CLI and account connection are already configured.

A.I.G

Vulnerability Patterns
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • 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
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs
Findings (1)

T03 · Remote Payload Retrieval and Execution

Error
Location
SKILL.md:58
Finding

Unverified Remote Installer Download and Execution

Content
View full analysis
Remediation
View remediation

SkillSpector

Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The skill includes a fallback instruction to execute a remote install script via curl ... | bash, which is a classic supply-chain risk because it fetches and immediately executes code from the network without verification. In an agent context, this is more dangerous because the skill explicitly authorizes Bash use, so a compromised host, CDN, DNS path, or install endpoint could lead to arbitrary code execution on the user's machine.

Content

Scanner excerpt · SKILL.md (reported line 58)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The description says to use this skill for "ANY Crustdata request" and whenever a task involves Crustdata, which is a very broad activation condition. It does not define boundaries, exclusions, or negative examples, so the skill could be invoked in unintended situations whenever Crustdata is merely mentioned.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.