{"id":"CVE-2026-55110","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-55110","generatedAt":"2026-10-28T02:13:43.147Z","title":"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.","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.","published":"2026-07-02T15:17:05.000Z","lastModified":"2026-07-09T18:33:17.000Z","status":"Undergoing Analysis","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-942"],"affected":["ui/unifi os server","ui/unifi dream machine beast firmware","ui/unifi dream machine pro firmware","ui/unifi dream machine special edition firmware","ui/unifi dream machine pro max firmware","ui/enterprise fortress gateway firmware","ui/unifi dream router firmware","ui/unifi dream wall firmware","ui/unifi dream router 7 firmware","ui/unifi express 7 firmware","ui/unifi cloudkey firmware","ui/unifi cloud key plus firmware","ui/unifi cloudkey enterprise firmware","ui/unifi network video recorder firmware","ui/unifi network video recorder pro firmware","ui/unifi network video recorder instant firmware","ui/enterprise network video recorder firmware","ui/enterprise network video recorder core firmware","ui/unifi network video recorder g2 firmware","ui/unifi network video recorder g2 pro firmware","ui/unifi cloud gateway ultra firmware","ui/unifi cloud gateway max firmware","ui/unifi cloud gateway industrial firmware","ui/unifi cloud gateway fiber firmware","ui/unas 2 firmware","ui/unas 4 firmware","ui/unas pro firmware","ui/unas pro 4 firmware","ui/unas pro 8 firmware","ui/enterprise firewall core firmware"],"epss":{"score":0.00271,"percentile":0.19153,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc","tags":["Vendor Advisory"],"source":"support@hackerone.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55110","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}