8.2highHigh
CVE-2026-46728
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.
Exploitation status
- Published references include exploit or proof-of-concept material. There is no confirmation it is being used in real attacks.
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is requires local access to the machine.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an administrative account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 8.2 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H- Weakness
- CWE-346
- Assigned by
- cve@mitre.org
Dates
- Published
- 2026-05-16
- Last modified
- 2026-09-11
- Sources
- NVD
Affected products
- Denx U-Boot2013.07 - 2026.04, 2026.04
As listed in the NVD configuration data. Not a statement about your estate.