{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-76272", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2026-08-19T12:02:03.620Z", "datePublished": "2026-10-07T20:46:33.402Z", "dateUpdated": "2026-10-07T20:46:33.402Z" }, "containers": { "cna": { "affected": [ { "product": "Splunk Enterprise", "vendor": "Splunk", "versions": [ { "version": "10.4", "status": "affected", "versionType": "custom", "lessThan": "10.4.3" }, { "version": "10.2", "status": "affected", "versionType": "custom", "lessThan": "10.2.7" }, { "version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.10" }, { "version": "9.4", "status": "affected", "versionType": "custom", "lessThan": "9.4.15" } ], "modules": [ "REST API" ] }, { "product": "Splunk Secure Gateway", "vendor": "Splunk", "versions": [ { "version": "3.10", "status": "affected", "versionType": "custom", "lessThan": "3.10.11" }, { "version": "3.9", "status": "affected", "versionType": "custom", "lessThan": "3.9.25" }, { "version": "3.8", "status": "affected", "versionType": "custom", "lessThan": "3.8.72" } ] } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/markdown", "value": "In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, a user who does not hold the \"admin\" or \"power\" Splunk roles could cause Splunk Secure Gateway to sign attacker-controlled payloads. The vulnerability is possible because Splunk Secure Gateway does not verify that the user is authorized to request a signature. Splunk Secure Gateway versions below 3.10.11, 3.9.25, and 3.8.72 are also affected. For more information see [Define roles on the Splunk platform with capabilities](https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.2/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities) in the Splunk documentation." } ], "value": "In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, a user who does not hold the \"admin\" or \"power\" Splunk roles could cause Splunk Secure Gateway to sign attacker-controlled payloads. The vulnerability is possible because Splunk Secure Gateway does not verify that the user is authorized to request a signature. Splunk Secure Gateway versions below 3.10.11, 3.9.25, and 3.8.72 are also affected. For more information see Define roles on the Splunk platform with capabilities (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.2/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities) in the Splunk documentation." } ], "references": [ { "url": "https://advisory.splunk.com/advisories/SVD-2026-1001" } ], "title": "Missing Access Control through the REST API in Splunk Secure Gateway", "datePublic": "2026-10-07T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "cwe", "cweId": "CWE-862", "description": "The software does not perform an authorization check when an actor attempts to access a resource or perform an action." } ] } ], "source": { "advisory": "SVD-2026-1001", "discovery": "INTERNAL" }, "providerMetadata": { "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-10-07T20:46:33.402Z" }, "metrics": [ { "cvssV3_1": { "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "solutions": [ { "lang": "en", "value": "Upgrade Splunk Enterprise to versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15, or higher.\n\nUpgrade Splunk Secure Gateway to versions 3.10.11, 3.9.25, and 3.8.72, or higher." } ], "workarounds": [ { "lang": "en", "value": "Turn off or remove the Splunk Secure Gateway app. See [Manage app and add-on objects](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/meet-splunk-apps/manage-app-and-add-on-objects) in the Splunk documentation. Note: Splunk Mobile, Spacebridge, and Mission Control rely on functionality in the Splunk Secure Gateway app. If you do not use any of these apps, features, or functionality, as a potential mitigation, you may turn off or remove the app." } ], "credits": [ { "lang": "en", "value": "Gabriel Nitu, Splunk", "type": "finder" } ] } } }