CVE-2026-46728

HIGH

U-Boot < 2026.04 - Signature Verification Bypass via Omitted Hashed-Nodes in FIT

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2

Scores

CVSS v3 8.2
EPSS 0.0016
EPSS Percentile 5.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-346
Status published
Products (3)
denx/U-Boot < 2026.04
denx/u-boot 2013.07 - 2025.10
pengutronix/barebox 2016.03.0 - 2025.09.3
Published May 16, 2026
Tracked Since May 17, 2026