{"uuid": "60e6d4c8-390a-424b-bfbe-e0dd922eef6a", "vulnerability": {"vulnId": "CVE-2023-54398", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "60e6d4c8-390a-424b-bfbe-e0dd922eef6a"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-09-15T17:00:52+00:00"}, "timestamps": {"asserted_at": "2026-09-15T17:00:52+00:00", "recorded_at": "2026-09-16T18:00:01+00:00", "first_seen_at": "2026-09-15T17:00:52+00:00"}, "scope": {"notes": "Yonyou U8 Cloud Java Deserialization RCE via FileManageServlet | Affected: Yonyou / U8 Cloud | 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": "Yonyou U8 Cloud Java Deserialization RCE via FileManageServlet", "cve_id": "CVE-2023-54398", "vendor": "Yonyou", "ghsa_id": "GHSA-R89P-QRRF-VPMC", "product": "U8 Cloud", "added_date": "2026-09-15T17:00:52.437Z", "cvss_score": 9.3, "epss_score": null, "previous_ids": [], "cvss_severity": "CRITICAL", "virtual_patch": false, "cvss_estimated": false, "epss_percentile": null, "used_in_malware": "unknown", "vulnerability_id": "CVE-2023-54398", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": true}}], "references": [{"id": "CVE-2023-54398", "url": "https://www.cve.org/CVERecord?id=CVE-2023-54398"}, {"id": "GHSA-R89P-QRRF-VPMC", "url": "https://github.com/advisories/GHSA-R89P-QRRF-VPMC"}, {"id": "previdian", "url": "https://previdian.com/CVE-2023-54398"}]}