{"id":"CVE-2026-55116","aliases":["EUVD-2026-41400","GHSA-hh99-693c-cjm3"],"status":"published","title":"A malicious actor with access to the network and under certain network configurations could...","description":"A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00412,"percentile":0.35825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-07-02T14:50:48Z","modified":"2026-07-09T18:14:16Z","products":[{"vendor":"ubiquiti inc","product":"cloud gateways"},{"vendor":"ubiquiti inc","product":"dream machines"},{"vendor":"ubiquiti inc","product":"dream routers"},{"vendor":"ubiquiti inc","product":"dream wall"},{"vendor":"ubiquiti inc","product":"enterprise firewall core"},{"vendor":"ubiquiti inc","product":"enterprise fortress gateway"},{"vendor":"ubiquiti inc","product":"express 7"},{"vendor":"ui","product":"unifi_connect"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55116"},{"url":"https://github.com/advisories/GHSA-hh99-693c-cjm3"}],"sources":{"cve":[{"id":"CVE-2026-55116","description":"A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.","status":"published","published":"2026-07-02T14:50:48.82Z","modified":"2026-07-02T15:51:11.89Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-41400","description":"A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.","status":"published","published":"2026-07-02T14:50:48Z","modified":"2026-07-02T15:51:11Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:20:17.430912Z"}],"ghsa":[{"id":"GHSA-hh99-693c-cjm3","title":"A malicious actor with access to the network and under certain network configurations could...","description":"A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.","status":"published","published":"2026-07-02T15:32:14Z","modified":"2026-07-02T15:32:20Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:09:12.451783Z"}],"nvd":[{"id":"CVE-2026-55116","description":"A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.","status":"published","published":"2026-07-02T15:17:05.633Z","modified":"2026-07-09T18:14:16.047Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:27.541515Z"}]}}