T08 · Insecure Dependencies
- Location
requirements.txt:1- Finding
Unbounded and Unverified Third-Party Dependencies
- Content
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Vulnerability Details
File Location:
requirements.txt, lines 1-2
Vulnerability Type: Unpinned dependencies without integrity verification
Risk Level: MediumAffected code:
text pyyaml>=6.0.1 rich>=13.7.0Technical Analysis
The dependency specifications use open-ended minimum-version constraints and provide no package hashes. Consequently, future installations can resolve to any newer compatible release available from the configured Python package index.
No evidence indicates that the currently named packages or reviewed versions are malicious. The risk arises because the installed artifacts are not reproducible or cryptographically restricted to reviewed releases. If a dependency release or configured package index is compromised, installation may retrieve attacker-controlled code. Python packages can execute code during build or installation, and imported dependency modules execute initialization code when the application starts.
The same open-ended constraints also appear in
pyproject.toml, but the directly identified installation path is the documentedrequirements.txtworkflow.Attack Path
- An attacker compromises a permitted future release of
pyyamlorrich, compromises the package index, or influences dependency resolution through an untrusted configured index. - A user follows the documented installation command:
bash pip3 install -r requirements.txt --user - Because the requirements accept any version at or above the stated minimum and do not require hashes, pip resolves and downloads the attacker-controlled artifact.
- Malicious package code executes during package build or installation, or later when
generate_outline.pyimports the dependency. - The payload runs with the privileges and environmental access of the user performing the installation or invoking the Skill.
Impact Assessment
Successful exploitation could provid ...[truncated 446 chars]
- An attacker compromises a permitted future release of
- Remediation
View remediation
Remediation Suggestions
- Pin each runtime dependency to an exact, reviewed version instead of using open-ended lower bounds.
- Generate a lock file containing hashes for all direct and transitive dependencies.
- Install with hash enforcement, for example:
bash pip install --require-hashes -r requirements.lock - Apply equivalent exact constraints in
pyproject.tomlor ensure release builds consume the audited lock file. - Retrieve packages only from an explicitly configured trusted index and disable unintended supplemental indexes.
- Review and test dependency updates before regenerating the lock file.
- Run installation and execution in a least-privileged virtual environment or isolated build environment.