Vulnerabilities

Vulnerability · 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.

Published May 16, 2026 · catalog updated Sep 11, 2026 · Das U-Boot before 2026.04

Check if you run it

No confirmed exploitation is on record for CVE-2026-46728. EPSS is 0.13%. Act only if a listed version of Das U-Boot before 2026.04 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Das U-Boot before 2026.04).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Advisory link
Affected products
cpe denx/u-boot

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe denx/u-boot2026.04

How to fix CVE-2026-46728

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-46728. EPSS is 0.13%. Act only if a listed version of Das U-Boot before 2026.04 is installed.

Which versions are affected?

Compare what you have installed with 2026.04. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-346. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 16, 2026 · NIST NVD

    Detected

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

  2. Sep 11, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-46728

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-46728

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-46728

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.