{"uuid": "ae12d4e6-8e25-4665-9581-2d437ce5b644", "vulnerability": {"vulnId": "CVE-2026-34909", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "gna": 1, "object_uuid": "ae12d4e6-8e25-4665-9581-2d437ce5b644"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-06-23T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2026-06-23T00:00:00Z", "recorded_at": "2026-06-23T18:00:02Z", "first_seen_at": "2026-06-23T00:00:00Z"}, "scope": {"notes": "KEV entry: Ubiquiti UniFi OS Path Traversal Vulnerability | Affected: Ubiquiti / UniFi OS | Description: Ubiquiti UniFi OS contains a path traversal vulnerability which could allow a malicious actor with access to the network to access files on the underlying system that could be manipulated to access an underlying account. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-06-26 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-34909"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": ["CWE-22"], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "UniFi OS", "due_date": "2026-06-26", "date_added": "2026-06-23", "vendorProject": "Ubiquiti", "vulnerabilityName": "Ubiquiti UniFi OS Path Traversal Vulnerability", "knownRansomwareCampaignUse": "Unknown"}}], "references": [{"id": "CVE-2026-34909", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-34909"}]}