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CVE-2025-11468

Published Jan 20, 2026 CWE-93

Overview

CVE-2025-11468 is a known-severity vulnerability. It was published on January 20, 2026.

Technical Description

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized.

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/003b8315669b9f08b1010a49071f73f15f818094 GitHub github.com/python/cpython/commit/17d1490aa97bd6b98a42b1a9b324ead84e7fd8a2 GitHub github.com/python/cpython/commit/61614a5e5056e4f61ced65008d4576f3df34acb6 GitHub github.com/python/cpython/commit/a76e4cd62dd68e7cbe86e37e6ed988495a646b66 GitHub github.com/python/cpython/commit/e9970f077240c7c670e8a6fc6662f2b30d3b6ad0 GitHub github.com/python/cpython/commit/f738386838021c762efea6c9802c82de65e87796 GitHub github.com/python/cpython/issues/143935 GitHub github.com/python/cpython/pull/143936 Ref mail.python.org/archives/list/[email protected]/thread/FELSEOLBI2QR6YLG6Q7VYF7FWSGQTKLI/

Frequently Asked Questions

What is CVE-2025-11468?

CVE-2025-11468 is a known-severity vulnerability. It was published on January 20, 2026.

How severe is CVE-2025-11468?

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-2025-11468?

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-2025-11468?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-11468 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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Code Review

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HackBrowser

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