What is CVE-2026-5208?

CVE-2026-5208 is a high-severity vulnerability in Coolercontrol Coolercontrold, classified under OS Command Injection. CVSS score: 8.2/10. Published 2026-04-08.

How severe is CVE-2026-5208?

High severity. CVSS v3 base score is 8.2 out of 10.

RCE in Coolercontrol Coolercontrold

CVE-2026-5208

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

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.004 (58.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Coolercontrol Coolercontrold — versions 3.1.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.0/coolercontrold/src/alerts.rs
gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0

Frequently asked questions

What is CVE-2026-5208?: CVE-2026-5208 is a high-severity vulnerability in Coolercontrol Coolercontrold, classified under OS Command Injection. CVSS score: 8.2/10. Published 2026-04-08.
How severe is CVE-2026-5208?: High severity. CVSS v3 base score is 8.2 out of 10.