VULN UPGRADE: Flask (major → 3.1.2) [opentelemetry/python-microservice]

[campaigner-prod]

Summary: High-severity security update — 1 package upgraded (MAJOR changes included)

Manifests changed:

• opentelemetry/python-microservice (pip)

Updates

Package	From	To	Type	Vulnerabilities Fixed
Flask	1.1.2	3.1.2	major	1 HIGH, 1 UNKNOWN

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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

🚨 Critical & High Severity (1 fixed)

Package	CVE	Severity	Summary	Unsafe Version	Fixed In
Flask	GHSA-m2qf-hxjv-5gpq	HIGH	Flask vulnerable to possible disclosure of permanent session cookie due to missing Vary: Cookie header	1.1.2	2.3.2

ℹ️ Other Vulnerabilities (1)

Package	CVE	Severity	Summary	Unsafe Version	Fixed In
Flask	PYSEC-2023-62	unknown	-	1.1.2	70f906c51ce49c485f1d355703e9cc3386b1cc2b

⚠️ Dependencies that have Reached EOL (1)

Dependency	Unsafe Version	EOL Date	New Version	Path
Flask	1.1.2	-	3.1.2	opentelemetry/python-microservice/requirements.txt

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Review Checklist

Enhanced review 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

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Update Mode: Vulnerability Remediation (High)

🤖 Generated by DataDog Automated Dependency Management System