HOMEVULNERABILITIESCVE-2026-46728
HIGH

CVE-2026-46728

CWE-346Published: May 16, 2026· Updated: May 18, 2026

8.2
CVSS v3.1
EPSS:0.00%probability of exploitation in 30 daysPercentile:0.1th

Official Description

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

NVD Source

Technical Analysis

CVE-2026-46728 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.2.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

Quick Facts

CVE IDCVE-2026-46728
CVSS Score8.2 / 10
SeverityHIGH
WeaknessCWE-346
CISA KEVNo
EPSS (30d)0.00%
PublishedMay 16, 2026

Related CVEs (CWE-346)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-46728 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.