chore(deps): update dependency flask-cors to v6 #13378
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Summary of Changes
Hello team, gemini-code-assist here with a summary of this pull request. This PR, automatically generated by renovate-bot, focuses on updating the flask-cors dependency. Based on the title and description, the intent is to upgrade flask-cors from version 5.0.0 to 6.0.0. The release notes for v6.0.0 highlight that this is a major version update that includes breaking changes related to path specificity ordering and also incorporates security fixes addressing several CVEs. The actual change in the patch specifically targets the version constraint for Python 3.8 environments.
Highlights
- Dependency Update: Updates the
flask-corslibrary from version 5.0.0 to 6.0.0. - Python 3.8 Specific: The change in the
requirements.txtfile specifically updates theflask-corsversion for environments running Python 3.8. - Breaking Changes & Security Fixes: Version 6.0.0 of
flask-corsincludes breaking changes regarding path specificity ordering and addresses multiple security vulnerabilities (CVEs).
Changelog
- endpoints/getting-started/requirements.txt
- Updated the version constraint for
flask-corsfrom==5.0.0to==6.0.0specifically forpython_version == "3.8".
- Updated the version constraint for
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Dependency update,
Version six for Python three eight,
Check for breaking change.
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Code Review
This pull request updates the flask-cors dependency from v5.0.0 to v6.0.0 for Python 3.8 environments, aligning it with the version used for Python 3.9+. This is a positive change for consistency and incorporates security fixes from flask-cors v6.0.0.
However, flask-cors v6.0.0 introduces breaking changes, as detailed in its release notes. It's important to consider their potential impact on this application, particularly concerning CORS behavior for the /auth/info/firebase endpoint.
Summary of Findings
- Potential Impact of Breaking Changes in
flask-corsv6.0.0: The update toflask-corsv6.0.0 introduces breaking changes, notably: path specificity ordering and case-sensitive request path matching. These could affect CORS behavior, especially for the/auth/info/firebaseendpoint if clients relied on previous, potentially case-insensitive, matching. Verification is recommended. - Dependency Consistency and Security: Aligning
flask-corsto v6.0.0 for Python 3.8 improves consistency with Python 3.9+ environments and incorporates important security fixes from the new version.
Merge Readiness
This PR is a beneficial dependency update for consistency and security. However, due to the breaking changes introduced in flask-cors v6.0.0 (particularly around path matching for CORS), I recommend that these changes are carefully reviewed in the context of this application's usage of flask-cors. Specifically, ensure that the /auth/info/firebase endpoint's CORS behavior is not adversely affected, especially concerning case sensitivity of paths.
Given these considerations, I suggest addressing the points raised in the review comment before merging. As an AI reviewer, I am not authorized to approve pull requests; please ensure further human review and approval.
| @@ -1,6 +1,6 @@ | |||
| Flask==3.0.3 | |||
| flask-cors==6.0.0; python_version >= "3.9" | |||
| flask-cors==5.0.0; python_version == "3.8" | |||
| flask-cors==6.0.0; python_version == "3.8" | |||
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Updating flask-cors to v6.0.0 for Python 3.8 aligns it with newer Python versions and brings in security updates, which is good.
However, please be aware of the breaking changes introduced in flask-cors v6.0.0, as noted in their release notes:
-
Path Specificity Ordering Changed: "Path specificity ordering has changed to improve specificity. This may break users who expected the previous incorrect ordering."
- While the routes in
main.py(/echo,/auth/info/googlejwt, etc.) are distinct, it's worth ensuring that this change doesn't inadvertently affect how CORS is applied if there were any subtle reliance on the old ordering (though unlikely with the current simple paths).
- While the routes in
-
Case Sensitive Request Path Matching (CVE-2024-6866): "Case Sensitive Request Path Matching."
- This is a key change. The
/auth/info/firebaseendpoint uses@cross_origin. If clients were previously accessing this path with different casings (e.g.,/auth/info/Firebase) and relying on case-insensitive matching for CORS headers, this will no longer work. CORS rules will now strictly match the defined path's case. - The existing test
test_corsinmain_test.pycorrectly uses the lowercase path/auth/info/firebase. This is good, but ensure that real-world usage or documentation for this sample emphasizes case-sensitive URLs for CORS-enabled endpoints.
- This is a key change. The
-
Security Fixes (CVE-2024-6839, CVE-2024-6844): These are beneficial security improvements.
Could you please confirm that these breaking changes, particularly the case-sensitive path matching for /auth/info/firebase, have been considered and that the application's behavior (and any associated client expectations for this sample) remains correct after this update? Ensuring tests cover these aspects, especially if case-insensitivity was implicitly relied upon, would be beneficial.
This PR contains the following updates:
==5.0.0->==6.0.0Release Notes
corydolphin/flask-cors (flask-cors)
v6.0.0Compare Source
Breaking
Path specificity ordering has changed to improve specificity. This may break users who expected the previous incorrect ordering.
What's Changed
Full Changelog: corydolphin/flask-cors@5.0.1...6.0.0
v5.0.1Compare Source
What's Changed
This primarily changes packaging to use uv and a new release pipeline, along with some small documentation improvements
New Contributors
Full Changelog: corydolphin/flask-cors@5.0.0...5.0.01
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