CVE-2026-25828 PUBLISHED

grub-btrfs through 2026-01-31 (on Arch Linux and derivative distributions) allows initramfs OS command injection because it does not sanitize the $root parameter to resolve_device().

• https://github.com/Antynea/grub-btrfs/tree/master
• https://archlinux.org/packages/extra/any/grub-btrfs/
• https://github.com/cardosource/CVE-2026-25828

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