CVE-2026-76366

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76366", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2026-08-19T12:02:03.629Z", "datePublished": "2026-08-19T21:34:54.654Z", "dateUpdated": "2026-08-20T16:27:33.568Z"}, "containers": {"cna": {"affected": [{"product": "Splunk SOAR", "vendor": "Splunk", "versions": [{"version": "8.6", "status": "affected", "versionType": "custom", "lessThan": "8.6.0"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/markdown", "value": "In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user. The information disclosure is possible because Splunk SOAR does not block REST API filters from matching values that responses otherwise hide. For more information see [REST Run Playbook](https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/run-playbook-endpoints/rest-run-playbook) in the Splunk documentation."}], "value": "In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user. The information disclosure is possible because Splunk SOAR does not block REST API filters from matching values that responses otherwise hide. For more information see REST Run Playbook (https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/run-playbook-endpoints/rest-run-playbook) in the Splunk documentation."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0804"}], "title": "Information Disclosure through the REST API in Splunk SOAR", "datePublic": "2026-08-19T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "baseScore": 6.5, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-200", "description": "The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information."}]}], "source": {"advisory": "SVD-2026-0804"}, "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-08-19T21:34:54.654Z"}, "solutions": [{"lang": "en", "value": "Upgrade Splunk SOAR to 8.6.0 or higher."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-76366", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-20T16:12:05.286804Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-20T16:27:33.568Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-76366", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-20T16:12:05.286804Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-20T16:22:37.817Z"}}], "cna": {"title": "Information Disclosure through the REST API in Splunk SOAR", "source": {"advisory": "SVD-2026-0804"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Splunk", "product": "Splunk SOAR", "versions": [{"status": "affected", "version": "8.6", "lessThan": "8.6.0", "versionType": "custom"}]}], "solutions": [{"lang": "en", "value": "Upgrade Splunk SOAR to 8.6.0 or higher."}], "datePublic": "2026-08-19T00:00:00.000Z", "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0804"}], "descriptions": [{"lang": "en", "value": "In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user. The information disclosure is possible because Splunk SOAR does not block REST API filters from matching values that responses otherwise hide. For more information see REST Run Playbook (https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/run-playbook-endpoints/rest-run-playbook) in the Splunk documentation.", "supportingMedia": [{"type": "text/markdown", "value": "In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user. The information disclosure is possible because Splunk SOAR does not block REST API filters from matching values that responses otherwise hide. For more information see [REST Run Playbook](https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/run-playbook-endpoints/rest-run-playbook) in the Splunk documentation.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-200", "description": "The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information."}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-08-19T21:34:54.654Z"}}}, "cveMetadata": {"cveId": "CVE-2026-76366", "state": "PUBLISHED", "dateUpdated": "2026-08-20T16:27:33.568Z", "dateReserved": "2026-08-19T12:02:03.629Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2026-08-19T21:34:54.654Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Splunk SOAR", "vendor": "Splunk", "versions": [{"lessThan": "8.6.0", "status": "affected", "version": "8.6", "versionType": "custom"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:soar:*:*:*:*:cloud:*:*:*", "matchCriteriaId": "51371C3F-5552-48DA-A80E-BD30EC534BFB", "versionEndExcluding": "8.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:soar:*:*:*:*:on-premises:*:*:*", "matchCriteriaId": "48E835B0-6AD0-4F9D-B66A-26DE4DF94EC2", "versionEndExcluding": "8.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user. The information disclosure is possible because Splunk SOAR does not block REST API filters from matching values that responses otherwise hide. For more information see REST Run Playbook (https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/run-playbook-endpoints/rest-run-playbook) in the Splunk documentation."}], "id": "CVE-2026-76366", "lastModified": "2026-08-21T14:54:44.580", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76366", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-20T16:12:05.286804Z", "version": "2.0.3"}}]}, "published": "2026-08-19T22:17:22.023", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://advisory.splunk.com/advisories/SVD-2026-0804"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[8.6,8.6.0)"}}], "enrichment": {"confidence": 84.0, "confidence_source": "matching", "scores": [{"score": 84.0, "source": "matching"}]}, "original": {"product": "Splunk SOAR", "source": "cna", "vendor": "Splunk"}, "product": "splunk", "vendor": "splunk"}], "created": "2026-08-20T11:00:04.814736+00:00", "updated": "2026-08-21T13:02:38.363738+00:00", "vendors": ["splunk", "splunk$PRODUCT$splunk"]}