CVE-2026-46728

HIGHNVD 8.28.2—

8.2

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
EG Score: 8.2(high)
EPSS: 0.1%
KEV: Not listed

Published

May 16, 2026

Last Modified

May 18, 2026

Advisory Details (2)

Auto-updated May 16, 2026

Patch available. Sources: github.

generic

boot: Add fit_config_get_hash_list() to build signed node list · u-boot/u-boot@2092322 · GitHub

https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241

github Patch Available

Critical FIT Signature Verification Bypass Vulnerability · Advisory · barebox/barebox · GitHub

https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4

Vendor Advisories for CVE-2026-46728(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-5cv5-vm4q-7wmx
GitHub Security AdvisoriesHigh
Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because...

Frequently asked(5)

What is CVE-2026-46728?

CVE-2026-46728 is a high vulnerability published on May 16, 2026. Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.

When was CVE-2026-46728 disclosed?

CVE-2026-46728 was first published in the National Vulnerability Database on May 16, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-46728 actively exploited?

CVE-2026-46728 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-46728?

CVE-2026-46728 has a CVSS v3 base score of 8.2 (NVD).

How do I remediate CVE-2026-46728?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46728, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-46728

📅 Published

🔄 Last Modified

📋 Advisory Details (2)