fix(deps): vuln Flask (major → 3.1.3) [examples/cf-python-sample-app]

[gh-worker-campaigns-3e9aa4]

Summary: Security update — 1 package upgraded (MAJOR changes included)

Manifests changed:

• examples/cf-python-sample-app (pip)

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✅ Action Required: Please review the changes below. If they look good, approve and merge this PR.

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Updates

Package	From	To	Type	Dep Type	Vulnerabilities Fixed
Flask	2.3.3	3.1.3	major	Direct	2 LOW

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Warning

Major Version Upgrade

This update includes major version changes that may contain breaking changes. Please:

• Review the changelog/release notes for breaking changes
• Test thoroughly in a staging environment
• Update any code that depends on changed APIs
• Ensure all tests pass before merging

Security Details

ℹ️ Other Vulnerabilities (2)

Package	CVE	Severity	Summary	Unsafe Version	Fixed In	Case
Flask	GHSA-68rp-wp8r-4726	LOW	Flask session does not add Vary: Cookie header when accessed in some ways	2.3.3	3.1.3	-
Flask	CVE-2026-27205	LOW	Flask session does not add Vary: Cookie header when accessed in some ways	2.3.3	-	-

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Review Checklist

Extra review is recommended for this update:

• Review changes for compatibility with your code
• Check release notes for breaking changes
• Run integration tests to verify service behavior
• Test in staging environment before production
• Monitor key metrics after deployment
• Approve and merge this PR

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Update Mode: all_vulns

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