RCE in N/a

CVE-2026-25828

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(). NOTE: a third party reports "exploitation may not be feasible under normal conditions and may depend on specific implementation details within resolve_device."

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.014 (70.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-25828: held from 0.012 to 0.014.

EPSS over last 30 days · oldest: 0.012 · newest: 0.014 · change: +0.001

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25828?
CVE-2026-25828 is a medium-severity vulnerability in N/a, classified under OS Command Injection. CVSS score: 5.4/10. Published 2026-02-12.
How severe is CVE-2026-25828?
Medium severity. CVSS v3 base score is 5.4 out of 10.