CVE-2026-76308 (GCVE-0-2026-76308)

Vulnerability from cvelistv5 – Published: 2026-10-21 22:52 – Updated: 2026-10-21 22:52
VLAI
Title
Missing Authorization through the REST API in Splunk SOAR
Summary
In Splunk SOAR versions below 8.7.0, an authenticated user could change the Enterprise Security edition through the Representational State Transfer (REST) API and cause Splunk SOAR to apply the license change. The vulnerability is possible because Splunk SOAR authenticates requests to manage the Enterprise Security edition but does not authorize the caller before it applies the license change. For more information see Using the REST API reference for Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/rest-api-reference/8.7.0/using-the-splunk-soar-rest-api/using-the-rest-api-reference-for-splunk-soar-on-premises), Obtain and configure a Splunk SOAR (On-premises) license (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.7.0/configure-your-companys-settings-in-splunk-soar-on-premises/obtain-and-configure-a-splunk-soar-on-premises-license), and Integration of Splunk SOAR with Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/administer/8.7/automation-with-playbooks/integration-of-splunk-soar-with-splunk-enterprise-security) in the Splunk documentation.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-862 - The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 442 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Splunk Splunk SOAR Affected: 0 , < 8.7.0 (custom)
guessed Create a notification for this product.
Date Public
2026-10-21 00:00
Credits
Gabriel Nitu, Splunk
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "modules": [
            "REST API"
          ],
          "product": "Splunk SOAR",
          "vendor": "Splunk",
          "versions": [
            {
              "lessThan": "8.7.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Gabriel Nitu, Splunk"
        }
      ],
      "datePublic": "2026-10-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In Splunk SOAR versions below 8.7.0, an authenticated user could change the Enterprise Security edition through the Representational State Transfer (REST) API and cause Splunk SOAR to apply the license change.\nThe vulnerability is possible because Splunk SOAR authenticates requests to manage the Enterprise Security edition but does not authorize the caller before it applies the license change.\nFor more information see Using the REST API reference for Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/rest-api-reference/8.7.0/using-the-splunk-soar-rest-api/using-the-rest-api-reference-for-splunk-soar-on-premises), Obtain and configure a Splunk SOAR (On-premises) license (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.7.0/configure-your-companys-settings-in-splunk-soar-on-premises/obtain-and-configure-a-splunk-soar-on-premises-license), and Integration of Splunk SOAR with Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/administer/8.7/automation-with-playbooks/integration-of-splunk-soar-with-splunk-enterprise-security) in the Splunk documentation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
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      ],
      "problemTypes": [
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            {
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              "description": "The software does not perform an authorization check when an actor attempts to access a resource or perform an action.",
              "lang": "en",
              "type": "cwe"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-21T22:52:11.575Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "url": "https://advisory.splunk.com/advisories/SVD-2026-1010"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade Splunk SOAR to version 8.7.0 or higher."
        }
      ],
      "source": {
        "advisory": "SVD-2026-1010",
        "discovery": "INTERNAL"
      },
      "title": "Missing Authorization through the REST API in Splunk SOAR"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-76308",
    "datePublished": "2026-10-21T22:52:11.575Z",
    "dateReserved": "2026-08-19T12:02:03.624Z",
    "dateUpdated": "2026-10-21T22:52:11.575Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "modules": [
                  "REST API"
                ],
                "product": "Splunk SOAR",
                "vendor": "Splunk",
                "versions": [
                  {
                    "lessThan": "8.7.0",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "psirt@cisco.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In Splunk SOAR versions below 8.7.0, an authenticated user could change the Enterprise Security edition through the Representational State Transfer (REST) API and cause Splunk SOAR to apply the license change.\nThe vulnerability is possible because Splunk SOAR authenticates requests to manage the Enterprise Security edition but does not authorize the caller before it applies the license change.\nFor more information see Using the REST API reference for Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/rest-api-reference/8.7.0/using-the-splunk-soar-rest-api/using-the-rest-api-reference-for-splunk-soar-on-premises), Obtain and configure a Splunk SOAR (On-premises) license (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.7.0/configure-your-companys-settings-in-splunk-soar-on-premises/obtain-and-configure-a-splunk-soar-on-premises-license), and Integration of Splunk SOAR with Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/administer/8.7/automation-with-playbooks/integration-of-splunk-soar-with-splunk-enterprise-security) in the Splunk documentation."
          }
        ],
        "id": "CVE-2026-76308",
        "lastModified": "2026-10-21T23:17:29.017",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.1"
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              "impactScore": 3.6,
              "source": "psirt@cisco.com",
              "type": "Primary"
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        "references": [
          {
            "source": "psirt@cisco.com",
            "url": "https://advisory.splunk.com/advisories/SVD-2026-1010"
          }
        ],
        "sourceIdentifier": "psirt@cisco.com",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "psirt@cisco.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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