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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.015 (73.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% 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-2026-5208: rose from 0.010 to 0.015.

EPSS over last 30 days · oldest: 0.010 · newest: 0.015 · change: +0.005

Affected products

Weakness classification (CWE)

References

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.