CVE-2026-5300

MEDIUM 5.9

Missing Authentication for Critical Function in coolercontrold

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

Unauthenticated functionality in CoolerControl/coolercontrold <4.0.0 allows unauthenticated attackers to view and modify potentially sensitive data via HTTP requests

CWE	CWE-306
Vendor	coolercontrol
Product	coolercontrold
Published	Apr 8, 2026
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

CoolerControl / coolercontrold

0.14.0 < 4.0.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.1/coolercontrold/src/api/router.rs?ref_type=tags gitlab.com: https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0

Credits

https://gitlab.com/lassi-3