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.

CVSS v3 8.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4	Exploit Patch Vendor Advisory
https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:denx:u-boot::::::::
	cpe:2.3:a:denx:u-boot:2026.04:rc1::::::
	cpe:2.3:a:denx:u-boot:2026.04:rc2::::::
	cpe:2.3:a:denx:u-boot:2026.04:rc3::::::

History

26 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Das U-Boot anterior a 2026.04 permite la elusión de la verificación de firma de FIT (Flat Image Tree) porque los nodos-hash se omiten de un hash.

Information

Published : 2026-05-16 22:16

Updated : 2026-10-26 13:10

NVD link : CVE-2026-46728

Mitre link : CVE-2026-46728

CVE.ORG link : CVE-2026-46728

JSON object : View

Products Affected

denx

u-boot

CWE

CWE-346

Origin Validation Error

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