CVE-2026-5302

Permissive Cross-domain Policy with Untrusted Domains in coolercontrold

State: Published
Severity: 6.3 Medium
Published: Apr 8, 2026
Updated: Apr 8, 2026
Reserved: Apr 1, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L	GitLab

Weaknesses

CWE-942 Permissive Cross-domain Policy with Untrusted Domains

Affected Products

Product	Versions
coolercontroldCoolerControl	2.0.0 to before 4.0.0Affected

References

https://gitlab.com/coolercontrol/coolercontrol/-/blob/2.0.0/coolercontrold/src/api/mod.rs?ref_type=tags#L374
https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0

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