CVE-2026-5302

Permissive Cross-domain Policy with Untrusted Domains in coolercontrold

CVSS 6.3 MEDIUMEPSS 0.3%CWE-942

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

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

Affected products

CoolerControl · coolercontrold

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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