# CVE-2026-46728: u-boot: Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted...

CVE-2026-46728 is fixed in u-boot on 1 platform, first by DEBIAN-CVE-2026-46728, released May 16, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-46728
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 16, 2026

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | u-boot Debian 12.15 (bookworm) | 2023.01+dfsg-2+deb12u3 | [DEBIAN-CVE-2026-46728](https://patchblox.com/security/data/fix/linux/debian-cve-2026-46728.md) | May 16, 2026 |
| Linux | u-boot Debian 13.5 (trixie) | 2025.01-3+deb13u1 | [DEBIAN-CVE-2026-46728](https://patchblox.com/security/data/fix/linux/debian-cve-2026-46728.md) | May 16, 2026 |
| Linux | u-boot Debian 14 | 2025.01-3.2 | [DEBIAN-CVE-2026-46728](https://patchblox.com/security/data/fix/linux/debian-cve-2026-46728.md) | May 16, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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