{"schemaVersion":3,"id":"CVE-2026-39997","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A missing authentication for critical function vulnerability has been reported to affect HybridDesk Station. If exploited, the vulnerability could allow remote attackers to gain access to the system.\n\nWe have already fixed the vulnerability in the following version:\nHybridDesk Station 4.2.22 and later","dates":{"published":"2026-10-15T09:38:02.291Z","modified":"2026-10-15T13:31:41.953Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.9,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.9,"severity":"high","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.9,"severity":"high","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00242,"percentile":0.14454,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-15T00:00:00.000Z","score":0.00371,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00242,"percentile":0.14454}],"last30":[{"date":"2026-10-15T00:00:00.000Z","score":0.00371,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00242,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00242,"percentile":0.14454}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-306","name":"Missing Authentication for Critical Function","description":"The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/306.html"}],"affected":[{"vendor":"qnap systems inc.","product":"hybriddesk station","name":"HybridDesk Station","label":"hybriddesk station","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.2.x, < 4.2.22","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.2.x, < 4.2.22","eol":null,"hubHref":"/vendor/qnap_systems_inc/hybriddesk_station"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.qnap.com/en/app-release-notes?keyword=HybridDesk%20Station&app=HD_Station&product-line=nas","label":"www.qnap.com/en/app-release-notes?keyword=HybridDesk%20Station&app=HD_Station&product-line=nas","hostname":"www.qnap.com","tags":["Release Notes"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-15T09:38:02.291Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-15T13:31:41.953Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":36,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T23:47:10.106Z","stale":false,"partial":false}}