Unauthenticated Data Exposure in CoolerControl Software by CoolerControl
CVE-2026-5300

5.9MEDIUM

Key Information:

Vendor

Coolercontrol

Status
Coolercontrold
Vendor
CVE Published:
8 April 2026

What is CVE-2026-5300?

An unauthenticated functionality in CoolerControl versions prior to 4.0.0 permits unauthorized attackers to access and potentially alter sensitive data through HTTP requests. This exposes critical information and highlights the necessity for robust authentication measures in software systems.

Affected Version(s)

coolercontrold 0.14.0 < 4.0.0

References

https://gitlab.com/coolercontrol/coolercontrol/-/blob/3.1...
https://gitlab.com/coolercontrol/coolercontrol/-/releases...

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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