{"id":"CVE-2026-5302","aliases":["EUVD-2026-20461","GHSA-vhqm-xjcf-g4x8"],"status":"published","title":"Permissive Cross-domain Policy with Untrusted Domains in coolercontrold","description":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00266,"percentile":0.18631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-942"],"published":"2026-04-08T12:05:06Z","modified":"2026-10-28T10:51:56Z","products":[{"vendor":"coolercontrol","product":"coolercontrold"}],"references":[{"url":"https://gitlab.com/coolercontrol/coolercontrol/-/blob/2.0.0/coolercontrold/src/api/mod.rs?ref_type=tags#L374","tags":["Exploit","web"]},{"url":"https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0","tags":["Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5302","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vhqm-xjcf-g4x8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5302.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-5302","title":"Permissive Cross-domain Policy with Untrusted Domains in coolercontrold","description":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites","status":"published","published":"2026-04-08T12:05:06.43Z","modified":"2026-04-08T14:10:15.915Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-942"],"updated_at":"2026-11-02T13:39:27.849196Z"}],"euvd":[{"id":"EUVD-2026-20461","description":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites","status":"published","published":"2026-04-08T12:05:06Z","modified":"2026-04-08T14:10:15Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:25:12.037386Z"}],"ghsa":[{"id":"GHSA-vhqm-xjcf-g4x8","title":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote...","description":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites","status":"published","published":"2026-04-08T15:31:44Z","modified":"2026-04-08T15:31:50Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-942"],"updated_at":"2026-11-02T15:07:12.242992Z"}],"nvd":[{"id":"CVE-2026-5302","description":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites","status":"published","published":"2026-04-08T13:16:43.403Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-942"],"updated_at":"2026-11-02T14:12:13.535987Z"}],"osv":[{"id":"CVE-2026-5302","title":"Permissive Cross-domain Policy with Untrusted Domains in coolercontrold","description":"CORS misconfiguration in CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated remote attackers to read data and send commands to the service via malicious websites","status":"published","published":"2026-04-08T12:05:06.43Z","modified":"2026-10-28T10:51:56.778667112Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-942"],"updated_at":"2026-11-02T15:45:07.787185Z"}]}}