VulnerabilityAwaiting Analysis

CVE-2026-18796

No specific nRF Connect SDK version is the root cause; the weakness is in the on-the-fly decryption scheme.

MEDIUM 6.8EPSS 0.08%

Does this matter?

Lower severity and a low EPSS score (0.08%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 6.8 MEDIUMCVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.08% probability · 0th percentile
CISA KEV: Not listed
Weakness: CWE-1342
Source: 30a5e7fb-040d-440a-8cdf-a4a2068ce72e

References

https://docs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.