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Security audit

JavDB CLI

Security checks for vulnerabilities and agentic risk

Overview

The skill is a scoped operator for the javdb CLI, with sensitive actions disclosed and gated on explicit user authorization.

Before installing, understand that this skill can operate an installed javdb CLI, make JavDB account changes when you ask it to, upload selected images to a configured reverse-search provider, download preview assets, and update the CLI binary only with explicit authorization. Do not use it unless you are comfortable with those JavDB-specific network and account effects.

A.I.G

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

SkillSpector

Vulnerability Patterns
  • Rogue AgentSelf-Modification, Session Persistence
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Self-Modification

High
Category
Rogue Agent
Confidence
90% confidence
Finding

Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.

Content

Scanner excerpt · SKILL.md (reported line 85)May include surrounding context.

md
For an existing installation, `javdb update --check --json` is the read-only inspection route. Actual `javdb update` uses detected Homebrew, `go install`, or the Release archive. Release replacement validates the signed manifest, source/version/platform, archive checksum, and extracted binary hash; do not bypass those checks or execute a downloaded candidate manually to replace verification.

Use `--prerelease` only for an explicit prerelease request; Homebrew updates do not support it. Development builds refuse self-update. Report failures without switching installation channel or replacing an existing executable by hand.

Self-Modification

High
Category
Rogue Agent
Confidence
90% confidence
Finding

Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.

Content

Scanner excerpt · references/install.md (reported line 13)May include surrounding context.

md
For an existing installation, `javdb update --check --json` is the read-only inspection route. Actual `javdb update` uses detected Homebrew, `go install`, or the Release archive. Release replacement validates the signed manifest, source/version/platform, archive checksum, and extracted binary hash; do not bypass those checks or execute a downloaded candidate manually to replace verification.

Use `--prerelease` only for an explicit prerelease request; Homebrew updates do not support it. Development builds refuse self-update. Report failures without switching installation channel or replacing an existing executable by hand.

Static analysis

No suspicious patterns detected.