What’s Vulnerable › Vulnerabilities
CVE-2026-18796: QSPI flash encryption side-channel leakage
- Severity: medium (CVSS 6.8 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-07 · updated 2026-09-09
- Weakness: CWE-1342
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
- Nordic Semiconductor ASA nRF5340: All build codes
References
Get alerted when CVE-2026-18796 or the next vulnerability affects your stack