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Security audit

Doubao Seed Skill

Security checks for vulnerabilities and agentic risk

Overview

This skill has a coherent image-analysis purpose, but it asks users to install and trust an unverified precompiled binary that handles API keys and local images.

Review this before installing. Prefer a pinned release with published SHA-256 checksums or signatures, install it in a user-owned directory instead of /usr/local/bin, and use a narrowly scoped ARK_API_KEY. Assume any local image or prompt you pass to the tool may be processed by the external CLI and Doubao/Volcengine service.

A.I.G

Vulnerability Patterns
  • Insecure DependenciesIntroduces malicious components through unsafe dependency sources
  • 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
Findings (1)

T08 · Insecure Dependencies

Error
Location
SKILL.md:26
Finding

Unverified Precompiled Binary Download and Installation

Content
View full analysis
Remediation
View remediation

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (3)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 32)May include surrounding context.

bash
# 1. 获取最新版本号
VERSION=$(curl -s https://api.github.com/repos/maoyutofu/doubao-seed-skill/releases/latest | grep '"tag_name"' | sed 's/.*"tag_name": "\(.*\)".*/\1/')

# 2. 检测系统和架构
OS=$(uname -s | tr '[:upper:]' '[:lower:]')

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 62)May include surrounding context.

bash
# 1. 获取最新版本号
VERSION=$(curl -s https://api.github.com/repos/maoyutofu/doubao-seed-skill/releases/latest | grep '"tag_name"' | sed 's/.*"tag_name": "\(.*\)".*/\1/')

# 2. 检测系统和架构
OS=$(uname -s | tr '[:upper:]' '[:lower:]')

Sudo/Root Execution

Medium
Category
Privilege Escalation
Confidence
70% confidence
Finding

Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.

Content

Scanner excerpt · SKILL.md (reported line 55)May include surrounding context.

tar -xzf "$ARCHIVE"

5. 移动到 PATH（可选）

sudo mv doubao-seed-skill /usr/local/bin/

text

### 下载步骤（Windows PowerShell）

Static analysis

No suspicious patterns detected.