Missing Authentication for Critical Function in coolercontrold
Summary
| CVE | CVE-2026-5300 |
|---|---|
| State | PUBLISHED |
| Assigner | GitLab |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-08 13:16:43 UTC |
| Updated | 2026-04-16 00:58:33 UTC |
| Description | Unauthenticated functionality in CoolerControl/coolercontrold <4.0.0 allows unauthenticated attackers to view and modify potentially sensitive data via HTTP requests |
Risk And Classification
Primary CVSS: v3.1 9.1 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.000160000 probability, percentile 0.034950000 (date 2026-04-21)
Problem Types: CWE-306 | CWE-306 CWE-306: Missing Authentication for Critical Function
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 3.1 | [email protected] | Secondary | 5.9 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | CVSS | 5.9 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Coolercontrol | Coolercontrold | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | CoolerControl | Coolercontrold | affected 0.14.0 4.0.0 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0 | [email protected] | gitlab.com | Release Notes |
| gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.1/coolercontrold/src/a... | [email protected] | gitlab.com | Product |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: https://gitlab.com/lassi-3 (en)
Additional Advisory Data
Solutions
CNA: Upgrade to version 4.0.0
There are currently no legacy QID mappings associated with this CVE.