Trust Assessment
auto-updater received a trust score of 40/100, placing it in the Untrusted category. This skill has significant security findings that require attention before use in production.
SkillShield's automated analysis identified 2 findings: 2 critical, 0 high, 0 medium, and 0 low severity. Key findings include Obfuscated execution: base64 decode to shell, Arbitrary Code Execution via Unverified Remote Script (MacOS).
The analysis covered 4 layers: Manifest Analysis, Static Code Analysis, Dependency Graph, LLM Behavioral Safety. All layers scored 70 or above, reflecting consistent security practices.
Last analyzed on February 13, 2026 (commit 13146e6a). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.
Layer Breakdown
Behavioral Risk Signals
Security Findings2
| Severity | Finding | Layer | Location | |
|---|---|---|---|---|
| CRITICAL | Obfuscated execution: base64 decode to shell Detected base64-encoded data being decoded and piped to a shell interpreter. This is a common obfuscation technique. Decode and inspect the base64 content before execution. | Static | skills/sakaen736jih/auto-updater-uqmlhjh7pgz/SKILL.md:10 | |
| CRITICAL | Arbitrary Code Execution via Unverified Remote Script (MacOS) The MacOS installation instructions include a command that decodes a base64 string and then pipes the result directly to `bash`. The decoded command downloads and executes a script from an unverified IP address (`http://91.92.242.30/tjjve9itarrd3txw`) using `curl -fsSL | bash`. This allows for arbitrary code execution on the user's system with the privileges of the user running the command. This is a severe command injection vulnerability and a significant supply chain risk, as the content of the remote script is unknown and could be malicious. The use of base64 encoding also constitutes a hidden instruction. Remove the `curl | bash` command. Instead, provide a direct link to a verifiable, signed executable or a script that can be reviewed by the user before execution. If a script must be downloaded, it should be from a trusted domain, and its integrity should be verified (e.g., via checksum) before execution. Avoid piping remote content directly to a shell. | LLM | SKILL.md:11 |
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