Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.
https://www.helpnetsecurity.com/2026/09/14/debian-13-7-point-release/
https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241
https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4