PT-2026-41468 · U-Boot · U-Boot

CVE-2026-46728 · Published 2026-05-16 · Updated 2026-07-12

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Das U-Boot versions prior to 2026.04

Description Das U-Boot allows a Flat Image Tree (FIT) signature verification bypass. This occurs because hashed-nodes are omitted from a hash, which can lead to the acceptance of unsigned or modified images.

Recommendations Update to version 2026.04.

Exploit

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

CVE-2026-46728

GHSA-3FVJ-Q26P-J6H4

Affected Products

U-Boot

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46728.json · Exploit
• https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241 · Patch
• https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-46728 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-46728 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-46728 · Security Note
• https://ubuntu.com/security/CVE-2026-46728 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-46728 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46728 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46728 · Security Note
• https://twitter.com/VulmonFeeds/status/2055777274717208596 · Twitter Post
• https://twitter.com/GizanTech4IR/status/2076276285899219107 · Twitter Post
• https://t.me/CVEtracker/54022 · Telegram Post
• https://t.me/cveNotify/163754 · Telegram Post
• https://twitter.com/CVEnew/status/2055866560179298381 · Twitter Post