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CVE-2026-63900

Published Jul 19, 2026 EPSS 0.22% (12th pctl)

Overview

CVE-2026-63900 is a known-severity vulnerability. It was published on July 19, 2026.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

USB: serial: keyspan: fix missing indat transfer sanity check

Add the missing sanity check on the size of usa49wg indat transfers to

avoid parsing stale or uninitialised slab data.

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

Ref git.kernel.org/stable/c/0bde5431037a076ff3750da2165fd77a6f5ff058 Ref git.kernel.org/stable/c/3759a40738b83bb61699c85f063202b514b94f77 Ref git.kernel.org/stable/c/41d9673941eebdde62ee73848fcfe4ae1105c979 Ref git.kernel.org/stable/c/ab8336a7e414f018430aa1af3a46944032f7ff96 Ref git.kernel.org/stable/c/bd6c5fe59f374b63173afe5cf0ab38a9a370f2c1 Ref git.kernel.org/stable/c/e124120e89b61a967e40dee6b5e1ecafc45c09d9 Ref git.kernel.org/stable/c/ea2b792330b44b6d7ce671c3e1d59d0c121f7ed1 Ref git.kernel.org/stable/c/f7f566ad7519c7ca3bc9071350002940a2b0e22a

Frequently Asked Questions

What is CVE-2026-63900?

CVE-2026-63900 is a known-severity vulnerability. It was published on July 19, 2026.

How severe is CVE-2026-63900?

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-2026-63900?

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-2026-63900?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-63900 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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