T08 · Insecure Dependencies
Warning
- Location
- scripts/spotify.py:2
- Finding
- Unpinned Third-Party Dependency Enables Supply-Chain Code Execution<![CDATA[ ## Vulnerability Details **File Location**: `scripts/spotify.py`, lines 2-5 **Vulnerability Type**: Unbounded runtime dependency resolution **Risk Level**: Medium ### Vulnerable Code ```python # /// script # requires-python = ">=3.10" # dependencies = ["spotipy>=2.24.0"] # /// ``` The project documentation explicitly instructs users to execute this script through `uv`, which automatically resolves and installs the declared dependency: ```markdown Python dependencies are managed inline via PEP 723 — `uv run` handles installation automatically. No manual `pip install` needed. ``` ### Technical Analysis The dependency constraint `spotipy>=2.24.0` permits any current or future Spotipy release whose version is at least 2.24.0. The project contains no dependency lockfile, exact version constraint, artifact hash, or upper version bound. As a result, the code executed by this Skill is not limited to the dependency version that existed when the Skill was audited. Python packages can execute code during import, and `spotipy` is imported at module initialization. A compromised or malicious future release satisfying this constraint could therefore run code with the privileges of the user invoking the Skill. This is a supply-chain weakness rather than evidence that the current Spotipy package is malicious. ### Attack Path 1. An attacker compromises the upstream Spotipy publishing account, package repository, or release process and publishes a malicious version satisfying `>=2.24.0`. 2. A user invokes a documented command such as: ```bash uv run scripts/spotify.py devices ``` 3. In an environment without a previously fixed resolution, `uv` resolves and installs the attacker-controlled compatible release. 4. Python imports `spotipy` before processing the requested command. 5. Malicious package initialization code executes with the invoking user's operating-system privileges. 6. That code may read the Spotify client credentials from the environmen ...[truncated 890 chars]
- Remediation
- <![CDATA[ ## Remediation Suggestions 1. Replace the open-ended dependency range with an exact, audited version: ```python # dependencies = ["spotipy==2.24.0"] ``` 2. Generate and commit a `uv.lock` file if the selected execution workflow supports project-level locking. 3. Execute dependency installation and updates in locked or frozen mode so dependency changes require explicit review. 4. Verify package artifacts with cryptographic hashes where the packaging workflow supports hash enforcement. 5. Review transitive dependencies, not only the direct Spotipy dependency. 6. Use automated dependency scanning and controlled update pull requests so version changes are auditable. 7. Test and review dependency upgrades before changing the pinned version. ]]>