Vulnerability in Denx U-boot

CVE-2026-46728

Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.

EPSS: 0.000 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Denx U-boot — versions 0

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

Frequently asked questions

What is CVE-2026-46728?: CVE-2026-46728 is a high-severity vulnerability in Denx U-boot, classified under Origin Validation Error. CVSS score: 8.2/10. Published 2026-05-16.
How severe is CVE-2026-46728?: High severity. CVSS v3 base score is 8.2 out of 10.