🛡️ Sentinel: [CRITICAL] Secure dynamic imports in get_agent_model_capabilities

[bashandbone]

Secures the dynamic module import (importlib.import_module) in src/codeweaver/providers/agent/capabilities.py by validating the provider string against a known whitelist (PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS) before execution, thereby preventing arbitrary code execution. Also adds a journal entry to .jules/sentinel.md.

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PR created automatically by Jules for task 5255885415642014120 started by @bashandbone

Summary by Sourcery

Validate agent capability provider names against a known whitelist before performing dynamic imports to harden security around model profile loading and document the change in the Sentinel security journal.

Bug Fixes:

• Prevent potential arbitrary code execution by rejecting untrusted provider strings before using them in importlib-based dynamic imports in agent capability resolution.

Documentation:

• Add a Sentinel journal entry describing the unvalidated dynamic import vulnerability in agent capabilities and its remediation via whitelist validation.

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR secures dynamic imports in the agent capabilities provider by enforcing a whitelist of allowed providers before calling importlib.import_module, and documents the security improvement in the Sentinel journal.

Flow diagram for secured dynamic imports in get_agent_model_capabilities

flowchart TD
    A[Start get_agent_model_capabilities] --> B[Iterate model_names]
    B --> C[_parse_model_name]
    C --> D{provider in
PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS?}
    D -- No --> E[Skip provider, continue loop]
    D -- Yes --> F[importlib.import_module
pydantic_ai.profiles.provider]
    F --> G[getattr provider_model_profile]
    G --> H[Build AgentModelCapabilities]
    H --> I[profiles dict updated]
    I --> B
    B --> J[Return profiles]

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File-Level Changes

Change	Details	Files
Harden dynamic import in _attempt_to_get_profile by validating provider against a whitelist before importing.	Add a guard that returns None if provider is not in PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS before attempting dynamic import. Retain existing ImportError suppression and profile getter lookup logic without further behavior change.	src/codeweaver/providers/agent/capabilities.py
Harden dynamic import in get_agent_model_capabilities by skipping unapproved providers before importing.	Insert a provider whitelist check at the start of the loop to continue if provider is not in PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS. Leave existing import, attribute lookup, and profile assignment logic intact for valid providers.	src/codeweaver/providers/agent/capabilities.py
Document the removal of an unvalidated dynamic import vulnerability in the Sentinel security journal.	Append a dated entry describing the previous unvalidated dynamic import in capabilities.py. Record the security learning and prevention guidance emphasizing strict whitelisting for dynamic imports.	.jules/sentinel.md

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[github-actions]

🤖 Hi @bashandbone, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.

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[sourcery-ai]

Hey - I've left some high level feedback:

• The provider whitelist check is duplicated in both _attempt_to_get_profile and get_agent_model_capabilities; consider centralizing the validation (e.g., via a small helper or by always going through _attempt_to_get_profile) to keep the logic consistent and easier to maintain.
• When a provider is not in PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS the code now silently returns/continues; if unexpected providers indicate a misconfiguration, consider emitting a debug log or warning to make these cases visible during operation.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The provider whitelist check is duplicated in both `_attempt_to_get_profile` and `get_agent_model_capabilities`; consider centralizing the validation (e.g., via a small helper or by always going through `_attempt_to_get_profile`) to keep the logic consistent and easier to maintain.
- When a provider is not in `PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS` the code now silently returns/continues; if unexpected providers indicate a misconfiguration, consider emitting a debug log or warning to make these cases visible during operation.

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[Copilot]

Pull request overview

Adds a whitelist validation guard to two dynamic importlib.import_module call sites in capabilities.py so that only provider names present in PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS can be passed to the import. Also records the remediation in the Sentinel security journal.

Changes:

• Validate provider against PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS in _attempt_to_get_profile before importing.
• Validate provider in get_agent_model_capabilities's loop and skip non-whitelisted providers.
• Append a 2026-04-21 journal entry to .jules/sentinel.md documenting the vulnerability and prevention.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/codeweaver/providers/agent/capabilities.py	Adds whitelist checks against PYDANTIC_AI_MODEL_CAPABILITIES_PROVIDERS before each dynamic import_module call.
.jules/sentinel.md	Adds a journal entry recording the dynamic-import hardening.

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