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CVE PROGRAM SOURCE RECORD6.8 Medium

CVE-2026-18796

QSPI flash encryption side-channel leakage

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Nordic Semiconductor ASA nRF5340

Default version status: unaffected

  • All build codesaffected

References