CVE-2026-76347

{"id": "CVE-2026-76347", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76347", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-20T16:15:53.439838Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@cisco.com", "affectedData": [{"vendor": "Splunk", "modules": ["Splunk Secure Gateway"], "product": "Splunk Enterprise", "versions": [{"status": "affected", "version": "10.4", "lessThan": "10.4.2", "versionType": "custom"}, {"status": "affected", "version": "10.2", "lessThan": "10.2.6", "versionType": "custom"}, {"status": "affected", "version": "10.0", "lessThan": "10.0.9", "versionType": "custom"}, {"status": "affected", "version": "9.4", "lessThan": "9.4.14", "versionType": "custom"}]}, {"vendor": "Splunk", "product": "Splunk Secure Gateway", "versions": [{"status": "affected", "version": "3.10", "lessThan": "3.10.9", "versionType": "custom"}, {"status": "affected", "version": "3.9", "lessThan": "3.9.23", "versionType": "custom"}, {"status": "affected", "version": "3.8", "lessThan": "3.8.70", "versionType": "custom"}]}]}], "published": "2026-08-19T22:17:19.553", "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0801", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the \"admin\" or \"power\" Splunk roles could use Server-Side Request Forgery (SSRF) in report notifications to send system-authenticated requests to internal Splunk services, which could allow for changes to Search Head Cluster state and a denial of service. The vulnerability is possible because Splunk Secure Gateway does not validate report notification path values before it sends internal requests."}, {"lang": "es", "value": "En las versiones de Splunk Enterprise anteriores a la 10.4.2, 10.2.6, 10.0.9 y 9.4.14, y en las versiones de Splunk Secure Gateway anteriores a la 3.10.9, 3.9.23 y 3.8.70, un usuario que no posee los roles de Splunk \u2019admin\u2019 o \u2019power\u2019 podr\u00eda usar la falsificaci\u00f3n de petici\u00f3n del lado del servidor (SSRF) en las notificaciones de informes para enviar peticiones autenticadas por el sistema a servicios internos de Splunk, lo que podr\u00eda permitir cambios en el estado del Search Head Cluster y una denegaci\u00f3n de servicio. La vulnerabilidad es posible porque Splunk Secure Gateway no valida los valores de la ruta de notificaci\u00f3n de informes antes de enviar peticiones internas."}], "lastModified": "2026-10-27T10:10:00.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "E180CC4C-5B8B-4D69-8535-93DCF3510119", "versionEndExcluding": "9.4.14", "versionStartIncluding": "9.4.0"}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "0FD75354-A6EE-49F9-9B8A-31287A845CFB", "versionEndExcluding": "10.0.9", "versionStartIncluding": "10.0.0"}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "C8FDA841-04BC-404C-B56D-7869CBD8B56C", "versionEndExcluding": "10.2.6", "versionStartIncluding": "10.2.0"}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "209C1DE6-893D-424D-B103-B64A314AD8DC", "versionEndExcluding": "10.4.2", "versionStartIncluding": "10.4.0"}, {"criteria": "cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC3EC4A6-9C00-49CB-92DC-97F21C4E1BC1", "versionEndExcluding": "3.8.70", "versionStartIncluding": "3.8.0"}, {"criteria": "cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "46A65041-64F2-4459-A7CB-947129FA9BEA", "versionEndExcluding": "3.9.23", "versionStartIncluding": "3.9.0"}, {"criteria": "cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "84D6A11D-4EA4-4D38-B8A1-4E0D2627B245", "versionEndExcluding": "3.10.9", "versionStartIncluding": "3.10.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}