High 8.1Published Apr 8, 2026

CVE-2026-5302CORS misconfiguration in CoolerControl/coolercontrold <4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites

Updated under an hour ago (2026-10-19 06:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 8.1 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-942
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jul 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

coolercontrol coolercontrold coolercontrol:coolercontrold	before 4.0.0	NVD

References

https://gitlab.com/coolercontrol/coolercontrol/-/blob/2.0.0/coolercontrold/src/api/mod.rs?ref_type=tags#L374exploit
https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.