What is GHSA-q9vx-6fw9-4mv8?

GHSA-q9vx-6fw9-4mv8 is a security advisory published by GitHub Security Advisories with Medium severity. Any application that uses external QSPI flash for encrypted XIP on nRF5340 and relies on...

Which CVE IDs does GHSA-q9vx-6fw9-4mv8 cover?

GHSA-q9vx-6fw9-4mv8 covers the following CVE IDs: CVE-2026-18796. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-q9vx-6fw9-4mv8Medium

Any application that uses external QSPI flash for encrypted XIP on nRF5340 and relies on...

Vendor

GitHub Security Advisories

Published

September 7, 2026

Last Modified

September 7, 2026

🔗 CVE IDs covered (1)

CVE-2026-18796 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-18796
https://docs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html
https://github.com/advisories/GHSA-q9vx-6fw9-4mv8