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: 2026-05-16 Last update: 2026-05-18 Assigner: [email protected] Source: [email protected]
NVD Status：Awaiting Analysis，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-46728 is rated Low Risk (32.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.00%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-46728

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-17 — 0.00% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-46728

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.2 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.5 6.0 [email protected]

Weakness enumeration for CVE-2026-46728

GitHub Security Advisory for CVE-2026-46728

GHSA-5cv5-vm4q-7wmx · Severity: high — Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because...

OS Trackers for CVE-2026-46728

vendor priority summary link
debian not yet assigned CVE-2026-46728 not yet assigned priority: Debian including 1 source packages (u-boot), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2026-46728
suse high — https://www.suse.com/security/cve/CVE-2026-46728/
ubuntu medium CVE-2026-46728 medium priority: Ubuntu including 2 source packages (u-boot, u-boot-nezha), 13 status rows across 8 suites (bionic, focal, jammy, noble, questing, resolute, upstream, xenial): needs-triage 11, DNE 2. https://ubuntu.com/security/CVE-2026-46728

Affected software / configurations for CVE-2026-46728

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-46728

cvelogic Threat Intelligence