CVE-2026-46728 HIGH

CVE-2026-46728

Vendor Denx
Product U-Boot
Weakness CWE-346 · Origin validation
Published May 16, 2026
Last update May 18, 2026

CVSS base score

8.2/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 16, 2026 CVE published
May 18, 2026 Record updated