CVE-2026-5302 MEDIUM

CVE-2026-5302: Permissive Cross-domain Policy with Untrusted Domains in coolercontrold

Vendor Coolercontrol
Product coolercontrold
Weakness CWE-942
Published April 8, 2026
Last update April 8, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

CORS misconfiguration in CoolerControl/coolercontrold <4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites

Key dates

02Disclosure timeline

April 8, 2026 CVE published
April 8, 2026 Record updated