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[Snyk] Security upgrade werkzeug from 2.2.3 to 3.1.4 - #10

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snyk-fix-5f988d65f916d62e68857b650a21b663
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NeoRosis wants to merge 1 commit into
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snyk-fix-5f988d65f916d62e68857b650a21b663

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@NeoRosis

@NeoRosis NeoRosis commented Dec 3, 2025

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Snyk has created this PR to fix 1 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

  • examples/docker/flask-uwsgi/requirements.txt
⚠️ Warning
Flask 2.2.5 requires Werkzeug, which is not installed.

Important

  • Check the changes in this PR to ensure they won't cause issues with your project.
  • Max score is 1000. Note that the real score may have changed since the PR was raised.
  • This PR was automatically created by Snyk using the credentials of a real user.
  • Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

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…lities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-WERKZEUG-14151620
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⏳ Code review in progress. Analyzing for code quality issues and best practices. You can monitor the review status in the checks section at the bottom of this pull request. Detailed findings will be posted upon completion.

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Summary of Changes

Hello @NeoRosis, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request automates the remediation of a security vulnerability identified by Snyk. It specifically targets an outdated version of the werkzeug package, upgrading it to 3.1.4 within the requirements.txt file for the flask-uwsgi example. The primary goal is to enhance the project's security posture by resolving the identified vulnerability, ensuring the application runs with more secure dependencies.

Highlights

  • Security Vulnerability Fix: This pull request, automatically generated by Snyk, addresses a security vulnerability by upgrading the werkzeug package.
  • Dependency Upgrade: The werkzeug dependency has been upgraded from version 2.2.3 to 3.1.4 in examples/docker/flask-uwsgi/requirements.txt.
  • Automated Remediation: The change includes a comment indicating that werkzeug is pinned by Snyk to specifically avoid a vulnerability, even if not directly required by the project.
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Security Upgrade Review ✅

This PR successfully addresses a security vulnerability by upgrading werkzeug from 2.2.3 to 3.1.4. The changes are minimal and appropriate:

  • Security Fix: Addresses SNYK-PYTHON-WERKZEUG-14151620 vulnerability
  • Clean Implementation: Properly pins werkzeug version with clear documentation
  • File Formatting: Fixes missing newline at end of requirements.txt

The upgrade is safe to merge as it only adds a security-focused dependency constraint without modifying any application logic. The Snyk-generated comment clearly documents the purpose of this change.


You can now have the agent implement changes and create commits directly on your pull request's source branch. Simply comment with /q followed by your request in natural language to ask the agent to make changes.

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Code Review

This pull request, automatically generated by Snyk, aims to upgrade werkzeug to version 3.1.4 to address a security vulnerability. While addressing security issues is crucial, this upgrade introduces a major version bump for werkzeug (from 2.x to 3.x). This new version of werkzeug has breaking changes and is not compatible with Flask versions older than 3.0.

The requirements.txt file specifies a very loose dependency for Flask (Flask>1), which could install an incompatible version (e.g., Flask 2.x), causing the application to break. I have added a critical comment highlighting this incompatibility issue. To resolve this, the Flask dependency must also be updated to a version compatible with Werkzeug 3.x, such as Flask>=3.0.0.

For improved stability and more predictable builds in the future, I also recommend pinning all your dependencies to specific versions, rather than using open-ended ranges like >1.

Flask>1
uWSGI>=2,<3 No newline at end of file
uWSGI>=2,<3
werkzeug>=3.1.4 # not directly required, pinned by Snyk to avoid a vulnerability No newline at end of file

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critical

Upgrading werkzeug to v3.1.4 is a major version bump that introduces breaking changes. Specifically, werkzeug>=3.0 is only compatible with Flask>=3.0.

The current dependency specification Flask>1 on line 2 is too broad and allows for older, incompatible versions of Flask to be installed (e.g., Flask 2.x). This will lead to runtime errors and break the application.

To resolve this critical incompatibility, you must also upgrade the Flask dependency. I recommend pinning it to a compatible version, for example:

- Flask>1
+ Flask>=3.0.0

This will ensure that a compatible set of dependencies is installed, allowing the security fix to be applied without breaking the application.

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