CVE-2026-5300

Medium

Description

Unauthenticated functionality in CoolerControl/coolercontrold <4.0.0 allows unauthenticated attackers to view and modify potentially sensitive data via HTTP requests

SeverityMedium
CVSS5.9
Exploit probability—
ProductCoolercontrold
PublishedApr 8, 2026
First seenApr 8, 2026

How to fix

Update
  • coolercontrol coolercontrold4.0.0 or later

Affected products

ProductAffected versionsFixed in
coolercontrol coolercontroldv < 4.0.04.0.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

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