T08 · Insecure Dependencies
Warning
- Location
- SKILL.md:14
- Finding
- Unpinned and Mutable Third-Party Dependencies## Vulnerability Details **File Location**: `SKILL.md`, lines 14-20 **Vulnerability Type**: Unpinned third-party packages and remotely hosted component code **Risk Level**: Medium ```bash # Install the agent component npx shadcn@latest add https://ui.inference.sh/r/agent.json # Add the SDK for the proxy route npm install @inferencesh/sdk ``` ### Technical Analysis The documented installation process retrieves and executes third-party content without pinning it to immutable, reviewed versions. `npx shadcn@latest` resolves the current package release at execution time. The command then imports a component definition from the mutable remote URL `https://ui.inference.sh/r/agent.json`. Consequently, the installed component may differ from the content available when this skill was audited. The `npm install @inferencesh/sdk` command also omits an exact package version. Package installation may execute dependency lifecycle scripts and place third-party code into the application. Without an exact version, lockfile enforcement, or integrity validation, upstream compromise or unexpected package changes could introduce unauthorized code. No evidence establishes that the referenced packages or remote component are currently malicious. The vulnerability is the unsafe, mutable dependency acquisition process and the resulting supply-chain exposure. ### Attack Path 1. An attacker compromises the npm package, a transitive dependency, the package publishing account, or the remote component registry. 2. The attacker publishes a modified release or changes the content returned by the component URL. 3. A developer follows the Quick Start instructions after the compromise. 4. `npx` downloads and executes the currently resolved `shadcn` package, while the component command retrieves mutable remote content. 5. `npm install` resolves the current SDK dependency graph and may execute package lifecycle scripts. 6. Attacker-controlled code m ...[truncated 866 chars]
- Remediation
- ## Remediation Suggestions 1. Replace `shadcn@latest` with a reviewed, exact version. 2. Pin `@inferencesh/sdk` to an exact version rather than relying on the newest compatible release. 3. Commit and enforce a package lockfile using reproducible installation commands such as `npm ci`. 4. Reference the remote component through an immutable, versioned artifact or commit rather than a mutable URL. 5. Verify downloaded artifacts using trusted checksums, signatures, or package integrity metadata. 6. Review the remote manifest and all generated source files before building or executing them. 7. Audit direct and transitive dependencies with package security tooling and dependency-review controls. 8. Disable package lifecycle scripts where operationally possible, or perform installation inside an isolated, least-privileged environment. 9. Restrict CI credentials, filesystem access, and outbound network access during dependency installation. 10. Establish an approved dependency update process so new versions are reviewed and tested before adoption.