T08 · Insecure Dependencies
Warning
- Location
- SKILL.md:31
- Finding
- Unpinned Third-Party Dependency Installation## Vulnerability Details **File Location**: `SKILL.md`, lines 31–33 **Vulnerability Type**: Unpinned third-party dependency **Risk Level**: Medium ### Complete Code Snippet ```markdown ## Requirements - Python 3.8+ - yfinance library (`pip install yfinance`) ``` ### Technical Analysis The skill instructs users to install `yfinance` without specifying an audited version or requiring package-integrity verification. Consequently, the installed artifact and its transitive dependencies can change independently of the reviewed skill. Although the project does not itself contain malicious code, an unpinned installation command creates supply-chain exposure. If the package distribution, package-index account, selected release, or a transitive dependency is compromised, installation or later import may execute attacker-controlled code with the privileges of the user running Python or `pip`. Unreviewed upstream changes may also alter network behavior, data handling, or financial-analysis results. ### Attack Path 1. A user follows the documented `pip install yfinance` instruction. 2. `pip` resolves the current package release and its transitive dependencies from the configured package index. 3. A compromised or unexpectedly modified release is selected because no exact version or integrity hash is enforced. 4. The package and dependencies are downloaded and installed. 5. Attacker-controlled installation or runtime code executes when supported by the selected distribution or when the dependency is imported. ### Impact Assessment Successful exploitation could execute code with the permissions of the account performing installation or running the analysis. The resulting scope may include access to that account's readable files, environment variables, network connectivity, and writable project resources. This instruction does not independently grant administrative privileges, persistence, or access beyond the invoking user's ex ...[truncated 19 chars]
- Remediation
- ## Remediation Suggestions - Pin `yfinance` to an exact, reviewed version rather than installing the latest available release. - Maintain a reviewed lock file that fixes all transitive dependency versions. - Record and enforce cryptographic hashes using a command such as `pip install --require-hashes -r requirements.txt`. - Retrieve packages only from an explicitly approved index over authenticated TLS. - Review dependency updates before changing pinned versions and use automated vulnerability and provenance checks. - Perform installation in an isolated virtual environment or container under a non-privileged account. - Separate dependency installation from normal skill execution so invoking stock analysis cannot silently alter the environment.