CVE-2026-18796 — QSPI flash encryption side-channel leakage
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 …
Published: 2026-09-07 · CVSS: 6.8 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7