CVE-2026-18796
QSPI flash encryption side-channel leakage
CVSS 4.0 6.8 MEDIUMCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-18796
PublishedAny 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-18796 · CVE overview and exploitation status
cve-program · CVE-2026-18796
Related changes
Linked by CVE identifierNo related changes are available here.