{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34909", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-03-31T15:00:06.521Z", "datePublished": "2026-05-22T00:43:49.072Z", "dateUpdated": "2026-05-22T00:43:49.072Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account."}], "affected": [{"defaultStatus": "unaffected", "vendor": "Ubiquiti Inc", "product": "UniFi OS Server", "versions": [{"version": "0", "status": "affected", "lessThan": "5.0.8", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "vendor": "Ubiquiti Inc", "product": "UDM", "versions": [{"version": "0", "status": "affected", "lessThan": "5.1.12", "versionType": 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{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account."}], "id": "CVE-2026-34909", "lastModified": "2026-05-22T02:16:34.390", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "support@hackerone.com", "type": "Secondary"}]}, "published": "2026-05-22T02:16:34.390", "references": [{"source": "support@hackerone.com", "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"created": "2026-05-22T03:00:12.319452+00:00", "title": "Path Traversal Vulnerability in UniFi OS Devices Allows Unauthorized System Access", "updated": "2026-05-22T03:00:12.319475+00:00", "vendors": []}