fix(deps): vuln tornado (major → 6.5.5)

[gh-worker-campaigns-3e9aa4]

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

Manifests changed:

• . (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	Vulnerabilities Fixed
tornado	3.2.2	6.5.5	major	6 HIGH, 5 MODERATE, 2 MEDIUM

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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 (6 fixed)

Package	CVE	Severity	Summary	Unsafe Version	Fixed In
tornado	GHSA-8w49-h785-mj3c	HIGH	Tornado has an HTTP cookie parsing DoS vulnerability	3.2.2	6.4.2
tornado	CVE-2026-31958	HIGH	Tornado has a DoS due to too many multipart parts	3.2.2	-
tornado	GHSA-qjxf-f2mg-c6mc	HIGH	Tornado is vulnerable to DoS due to too many multipart parts	3.2.2	6.5.5
tornado	CVE-2024-52804	HIGH	Tornado has HTTP cookie parsing DoS vulnerability	3.2.2	-
tornado	GHSA-7cx3-6m66-7c5m	HIGH	Tornado vulnerable to excessive logging caused by malformed multipart form data	3.2.2	6.5
tornado	CVE-2025-47287	HIGH	Tornado vulnerable to excessive logging caused by malformed multipart form data	3.2.2	-

ℹ️ Other Vulnerabilities (7)

Package	CVE	Severity	Summary	Unsafe Version	Fixed In
tornado	PYSEC-2023-75	medium	-	3.2.2	6.3.2
tornado	CVE-2023-28370	medium	-	3.2.2	-
tornado	GHSA-hj3f-6gcp-jg8j	MODERATE	Open redirect in Tornado	3.2.2	6.3.2
tornado	GHSA-qppv-j76h-2rpx	MODERATE	Tornado vulnerable to HTTP request smuggling via improper parsing of Content-Length fields and chunk lengths	3.2.2	6.3.3
tornado	GHSA-w235-7p84-xx57	MODERATE	Tornado has a CRLF injection in CurlAsyncHTTPClient headers	3.2.2	6.4.1
tornado	GHSA-753j-mpmx-qq6g	MODERATE	Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in tornado	3.2.2	6.4.1
tornado	GHSA-78cv-mqj4-43f7	MODERATE	Tornado has incomplete validation of cookie attributes	3.2.2	6.5.5

⚠️ Dependencies that have Reached EOL (1)

Dependency	Unsafe Version	EOL Date	New Version	Path
tornado	3.2.2	-	6.5.5	requirements.txt

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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: Vulnerability Remediation (High)

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