CVE-2026-46728

HIGH
8.8
CVSS Score
Published: May 16, 2026 at 09:26 PM UTC
Updated: September 11, 2026 at 03:55 PM UTC
1 product affected across 1 vendorU Boot

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2026.042013.07 ≤ v < 2026.042026.04 rc12026.04 rc22026.04 rc3
Affected range stops below 2026.04, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-346

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