CORS Misconfiguration in CoolerControl Affects Remote Data Access
CVE-2026-5302

6.3MEDIUM

Key Information:

Vendor

Coolercontrol

Status
Coolercontrold
Vendor
CVE Published:
8 April 2026

What is CVE-2026-5302?

A CORS misconfiguration in CoolerControl's coolercontrold versions prior to 4.0.0 allows unauthenticated remote attackers to exploit this weakness. Attackers can read sensitive data and send commands to the service by using malicious websites, leading to potential data breaches and unauthorized control over the affected service.

Affected Version(s)

coolercontrold 2.0.0 < 4.0.0

References

https://gitlab.com/coolercontrol/coolercontrol/-/blob/2.0...
https://gitlab.com/coolercontrol/coolercontrol/-/releases...

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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