CVE-2026-20266

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20266", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2025-10-08T11:59:15.402Z", "datePublished": "2026-06-17T17:07:24.598Z", "dateUpdated": "2026-06-17T18:04:08.968Z"}, "containers": {"cna": {"affected": [{"product": "Splunk AI Toolkit", "vendor": "Splunk", "versions": [{"version": "5.7", "status": "affected", "versionType": "custom", "lessThan": "5.7.4"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Splunk AI Toolkit versions below 5.7.4, a user who holds the \"admin\" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. \n\nThe vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which constructs OS command strings from dynamic parameters without disabling shell interpretation."}], "value": "In Splunk AI Toolkit versions below 5.7.4, a user who holds the \"admin\" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. \n\nThe vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which constructs OS command strings from dynamic parameters without disabling shell interpretation."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0614"}], "title": "OS Command Injection in the btool Configuration Helper in Splunk AI Toolkit", "datePublic": "2026-06-17T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "baseScore": 9.1, "baseSeverity": "CRITICAL"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "description": "The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.", "cweId": "CWE-78"}]}], "source": {"advisory": "SVD-2026-0614"}, "credits": [{"lang": "en", "value": "Gabriel Nitu, Splunk"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-06-17T17:07:24.598Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-78", "lang": "en", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-17T18:03:52.980872Z", "id": "CVE-2026-20266", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T18:04:08.968Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-20266", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-17T18:03:52.980872Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T18:04:05.640Z"}}], "cna": {"title": "OS Command Injection in the btool Configuration Helper in Splunk AI Toolkit", "source": {"advisory": "SVD-2026-0614"}, "credits": [{"lang": "en", "value": "Gabriel Nitu, Splunk"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Splunk", "product": "Splunk AI Toolkit", "versions": [{"status": "affected", "version": "5.7", "lessThan": "5.7.4", "versionType": "custom"}]}], "datePublic": "2026-06-17T00:00:00.000Z", "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0614"}], "descriptions": [{"lang": "en", "value": "In Splunk AI Toolkit versions below 5.7.4, a user who holds the \"admin\" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. \n\nThe vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which constructs OS command strings from dynamic parameters without disabling shell interpretation.", "supportingMedia": [{"type": "text/html", "value": "In Splunk AI Toolkit versions below 5.7.4, a user who holds the \"admin\" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. \n\nThe vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which constructs OS command strings from dynamic parameters without disabling shell interpretation.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-78", "description": "The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component."}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-06-17T17:07:24.598Z"}}}, "cveMetadata": {"cveId": "CVE-2026-20266", "state": "PUBLISHED", "dateUpdated": "2026-06-17T18:04:08.968Z", "dateReserved": "2025-10-08T11:59:15.402Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2026-06-17T17:07:24.598Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Splunk AI Toolkit", "vendor": "Splunk", "versions": [{"lessThan": "5.7.4", "status": "affected", "version": "5.7", "versionType": "custom"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:ai_toolkit:*:*:*:*:*:*:*:*", "matchCriteriaId": "433FFA09-42E8-4DB0-8677-0357A6458FA4", "versionEndExcluding": "5.7.4", "versionStartIncluding": "5.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk AI Toolkit versions below 5.7.4, a user who holds the \"admin\" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. \n\nThe vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which constructs OS command strings from dynamic parameters without disabling shell interpretation."}, {"lang": "es", "value": "En versiones de Splunk AI Toolkit anteriores a la 5.7.4, un usuario con el rol de Splunk \u2019admin\u2019 podr\u00eda ejecutar comandos arbitrarios del sistema operativo en el host que ejecuta la instancia de Splunk Enterprise.\n\nLa vulnerabilidad es posible debido a un patr\u00f3n de ejecuci\u00f3n de shell inseguro en el asistente de configuraci\u00f3n btool, que construye cadenas de comandos del sistema operativo a partir de par\u00e1metros din\u00e1micos sin deshabilitar la interpretaci\u00f3n de shell."}], "id": "CVE-2026-20266", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20266", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-17T18:03:52.980872Z", "version": "2.0.3"}}]}, "published": "2026-06-17T18:17:40.900", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://advisory.splunk.com/advisories/SVD-2026-0614"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "psirt@cisco.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.7,5.7.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Splunk AI Toolkit", "source": "cna", "vendor": "Splunk"}, "product": "splunk_ai_toolkit", "vendor": "splunk"}], "created": "2026-06-18T18:45:03.839693+00:00", "updated": "2026-06-18T20:30:05.128331+00:00", "vendors": ["splunk", "splunk$PRODUCT$splunk_ai_toolkit"]}