Read the docs
TI-2026-04635 Aliases CVE-2026-5302GHSA-vhqm-xjcf-g4x8

Permissive Cross-domain Policy with Untrusted Domains in coolercontrold

Priority LOW 35CWE-942Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00266 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed coolercontrold (CoolerControl): 4.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CoolerControlcoolercontrold2.0.0 to before 4.0.04.0.0Patch availableCNA
  • coolercontrold VendorCoolerControl Affected 2.0.0 to before 4.0.0 Fixed in 4.0.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:coolercontrol:coolercontrold:*:*:*:*:*:*:*:*before 4.0.0VulnerableCoolerControl
  • cpe:2.3:a:coolercontrol:coolercontrold:*:*:*:*:*:*:*:* Versions before 4.0.0 Vulnerable ·CoolerControl

Remediation

  • Fix · CNA coolercontrold (CoolerControl) Fixed in 4.0.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    CoolerControl coolercontrold 4.0.0

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-04550 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in coolercontroldPriority MEDIUM 40
    • TI-2026-04633 Missing Authentication for Critical Function in coolercontroldPriority LOW 39

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5302
  2. 2026-10-03 Alias added: GHSA-vhqm-xjcf-g4x8

References

  • TI-2026-04550 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in coolercontrold CVSS 3.1HIGH 8.2
  • TI-2026-04633 Missing Authentication for Critical Function in coolercontrold CVSS 3.1CRITICAL 9.1
  • TI-2026-04634 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in coolercontrol-ui CVSS 3.1HIGH 7.6

Sources