CVE-2026-18796
Any application that uses external QSPI flash for encrypted XIP on nRF5340 and relies on that encryption for confidentiality and/or integrity of the externally stored code.
Overview
CVE-2026-18796 is a known-severity vulnerability. It was published on September 7, 2026.
Technical description
Any application that
uses external QSPI flash for encrypted XIP on nRF5340 and relies on that
encryption for confidentiality and/or integrity of the externally stored
code. No specific nRF Connect SDK version is the root cause; the weakness
is in the on-the-fly decryption scheme.
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.
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Frequently asked questions
What is CVE-2026-18796?
CVE-2026-18796 is a known-severity vulnerability. It was published on September 7, 2026.
How severe is CVE-2026-18796?
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-2026-18796?
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-2026-18796?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-18796 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.