CVE-2026-25828

MEDIUM
2026-02-12 [email protected]
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 12, 2026 - 22:16 nvd
MEDIUM 5.4

Tags

Linux Command Injection

Description

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."

Analysis

Authenticated users can inject arbitrary OS commands into the initramfs boot process through unsanitized input parameters in grub-btrfs versions through January 2026 on Arch Linux and derivatives. The vulnerability requires valid credentials and may have limited exploitability depending on specific system configurations. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

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Priority Score

29
Low Medium High Critical
KEV: 0
EPSS: +1.7
CVSS: +27
POC: 0

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CVE-2026-25828 vulnerability details – vuln.today
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