{"id":"CVE-2026-55110","aliases":["EUVD-2026-41388","GHSA-fwmw-87x4-wjv5"],"status":"published","title":"A malicious actor who lures an authenticated user to a malicious page could exploit a Cross...","description":"A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00271,"percentile":0.19444,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-942"],"published":"2026-07-02T14:49:16Z","modified":"2026-07-09T18:33:16Z","products":[{"vendor":"ubiquiti inc","product":"cloud gateways"},{"vendor":"ubiquiti inc","product":"cloud keys"},{"vendor":"ubiquiti inc","product":"dream 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server"},{"vendor":"ui","product":"enterprise_firewall_core_firmware"},{"vendor":"ui","product":"enterprise_fortress_gateway_firmware"},{"vendor":"ui","product":"enterprise_network_video_recorder_core_firmware"},{"vendor":"ui","product":"enterprise_network_video_recorder_firmware"},{"vendor":"ui","product":"unas_2_firmware"},{"vendor":"ui","product":"unas_4_firmware"},{"vendor":"ui","product":"unas_pro_4_firmware"},{"vendor":"ui","product":"unas_pro_8_firmware"},{"vendor":"ui","product":"unas_pro_firmware"},{"vendor":"ui","product":"unifi_cloud_gateway_fiber_firmware"},{"vendor":"ui","product":"unifi_cloud_gateway_industrial_firmware"},{"vendor":"ui","product":"unifi_cloud_gateway_max_firmware"},{"vendor":"ui","product":"unifi_cloud_gateway_ultra_firmware"},{"vendor":"ui","product":"unifi_cloud_key_plus_firmware"},{"vendor":"ui","product":"unifi_cloudkey_enterprise_firmware"},{"vendor":"ui","product":"unifi_cloudkey_firmware"},{"vendor":"ui","product":"unifi_dream_machine_beast_firmware"},{"vendor":"ui","product":"unifi_dream_machine_pro_firmware"},{"vendor":"ui","product":"unifi_dream_machine_pro_max_firmware"},{"vendor":"ui","product":"unifi_dream_machine_special_edition_firmware"},{"vendor":"ui","product":"unifi_dream_router_7_firmware"},{"vendor":"ui","product":"unifi_dream_router_firmware"},{"vendor":"ui","product":"unifi_dream_wall_firmware"},{"vendor":"ui","product":"unifi_express_7_firmware"},{"vendor":"ui","product":"unifi_network_video_recorder_firmware"},{"vendor":"ui","product":"unifi_network_video_recorder_g2_firmware"},{"vendor":"ui","product":"unifi_network_video_recorder_g2_pro_firmware"},{"vendor":"ui","product":"unifi_network_video_recorder_instant_firmware"},{"vendor":"ui","product":"unifi_network_video_recorder_pro_firmware"},{"vendor":"ui","product":"unifi_os_server"}],"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-2026-55110"},{"url":"https://github.com/advisories/GHSA-fwmw-87x4-wjv5"}],"sources":{"cve":[{"id":"CVE-2026-55110","description":"A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.","status":"published","published":"2026-07-02T14:49:16.794Z","modified":"2026-07-02T15:52:20.711Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-942"],"updated_at":"2026-11-02T14:20:12.260247Z"}],"euvd":[{"id":"EUVD-2026-41388","description":"A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.","status":"published","published":"2026-07-02T14:49:16Z","modified":"2026-07-02T15:52:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:17.430912Z"}],"ghsa":[{"id":"GHSA-fwmw-87x4-wjv5","title":"A malicious actor who lures an authenticated user to a malicious page could exploit a Cross...","description":"A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.","status":"published","published":"2026-07-02T15:32:13Z","modified":"2026-07-02T15:32:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-942"],"updated_at":"2026-11-02T15:09:12.451783Z"}],"nvd":[{"id":"CVE-2026-55110","description":"A malicious actor who lures an authenticated user to a 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