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CVE-2026-0672

Published Jan 20, 2026 CWE-93

Overview

CVE-2026-0672 is a known-severity vulnerability. It was published on January 20, 2026.

Technical Description

When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHub github.com/python/cpython/commit/62700107418eb2cca3fc88da036a243ea975f172 GitHub github.com/python/cpython/commit/712452e6f1d4b9f7f8c4c92ebfcaac1705faa440 GitHub github.com/python/cpython/commit/7852d72b653fea0199acf5fc2a84f6f8b84eba8d GitHub github.com/python/cpython/commit/918387e4912d12ffc166c8f2a38df92b6ec756ca GitHub github.com/python/cpython/commit/95746b3a13a985787ef53b977129041971ed7f70 GitHub github.com/python/cpython/commit/b1869ff648bbee0717221d09e6deff46617f3e85 GitHub github.com/python/cpython/issues/143919 GitHub github.com/python/cpython/pull/143920 Ref mail.python.org/archives/list/[email protected]/thread/6VFLQQEIX673KXKFUZXCUNE5AZOGZ45M/

Frequently Asked Questions

What is CVE-2026-0672?

CVE-2026-0672 is a known-severity vulnerability. It was published on January 20, 2026.

How severe is CVE-2026-0672?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-0672?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-0672?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-0672 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Continuous Pentesting

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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