{"uuid": "ce52882c-0d61-41c3-9434-ec6938f4d139", "vulnerability": {"vulnId": "CVE-2023-54391", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "gna": 1, "object_uuid": "ce52882c-0d61-41c3-9434-ec6938f4d139"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-09-01T20:57:00+00:00"}, "timestamps": {"asserted_at": "2026-09-01T20:57:00+00:00", "recorded_at": "2026-09-02T21:00:01+00:00", "first_seen_at": "2026-09-01T20:57:00+00:00"}, "scope": {"notes": "Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter | Affected: Proxmox Server Solutions / Proxmox Virtual Environment (VE) | CVSS: 9.3 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True"}, "evidence": [{"type": "public_report", "source": "previdian", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "Previdian (previdian.com)", "title": "Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter", "vendor": "Proxmox Server Solutions", "product": "Proxmox Virtual Environment (VE)", "added_date": "2026-09-01T20:57:00.000Z", "cvss_score": 9.3, "epss_score": null, "cvss_severity": "CRITICAL", "epss_percentile": null, "used_in_malware": "unknown", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": true}}], "references": [{"id": "CVE-2023-54391", "url": "https://www.cve.org/CVERecord?id=CVE-2023-54391"}, {"id": "previdian", "url": "https://previdian.com/CVE-2023-54391"}]}