{"uuid": "d2a3e024-6dda-4563-92fa-1866d3582479", "vulnerability": {"vulnId": "CVE-2026-20253", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "d2a3e024-6dda-4563-92fa-1866d3582479"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-06-15T07:15:25+02:00"}, "timestamps": {"asserted_at": "2026-06-15T05:15:25+00:00", "recorded_at": "2026-10-02T07:08:31+00:00", "first_seen_at": "2026-06-15T05:15:25+00:00"}, "scope": {"notes": "Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise | Affected: Splunk / Splunk Enterprise | CVSS: 9.8 (CRITICAL) | EPSS: 0.96939 | Used in malware: unknown | Listed 3 days ahead of CISA KEV | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "previdian", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "Previdian (previdian.com)", "title": "Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise", "cve_id": "CVE-2026-20253", "vendor": "Splunk", "ghsa_id": "GHSA-XGM5-JH99-WC4V", "product": "Splunk Enterprise", "added_date": "2026-06-15T05:15:25.399Z", "cvss_score": 9.8, "epss_score": 0.96939, "previous_ids": [], "cvss_severity": "CRITICAL", "virtual_patch": true, "cvss_estimated": false, "epss_percentile": 0.99889, "used_in_malware": "unknown", "vulnerability_id": "CVE-2026-20253", "ahead_of_cisa_kev": {"unit": "day", "count": 3}, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2026-20253", "url": "https://www.cve.org/CVERecord?id=CVE-2026-20253"}, {"id": "GHSA-XGM5-JH99-WC4V", "url": "https://github.com/advisories/GHSA-XGM5-JH99-WC4V"}, {"id": "previdian", "url": "https://previdian.com/CVE-2026-20253"}]}