CVE-2026-5208 PUBLISHED

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in coolercontrold

Assigner: GitLab
Reserved: 31.03.2026 Published: 08.04.2026 Updated: 08.04.2026

Command injection in alerts in CoolerControl/coolercontrold <4.0.0 allows authenticated attackers to execute arbitrary code as root via injected bash commands in alert names

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 8.2

Attack Vector	Local	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	CoolerControl
Product	coolercontrold
Versions	Default: unaffected affected from 3.1.0 to 4.0.0 (excl.)

Solutions

Upgrade to version 4.0.0

Credits

https://gitlab.com/lassi-3 finder

References

https://gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.0/coolercontrold/src/alerts.rs?ref_type=tags#L576
https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0

Problem Types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE