Improper Input Validation of Index Names through the collect Command in Splunk Enterprise

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  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-76279",
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "dateUpdated": "2026-10-10T02:46:24.717Z",
    "dateReserved": "2026-08-19T12:02:03.621Z",
    "datePublished": "2026-10-07T20:46:36.840Z",
    "state": "PUBLISHED"
  },
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    "cna": {
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        "shortName": "cisco",
        "dateUpdated": "2026-10-07T20:46:36.840Z"
      },
      "datePublic": "2026-10-07T00:00:00.000Z",
      "title": "Improper Input Validation of Index Names through the collect Command in Splunk Enterprise",
      "descriptions": [
        {
          "lang": "en",
          "value": "In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, a user that holds a role with the run_collect capability could use the collect Search Processing Language (SPL) command to write events to internal indexes outside the index access configured for the role. The vulnerability is possible because Splunk Enterprise does not normalize whitespace in an index name before applying configured index-access restrictions for the role. For more information see collect (https://help.splunk.com/en/splunk-enterprise/search/spl-search-reference/10.4/search-commands/collect), Define roles on the Splunk platform with capabilities (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities), and How indexing works (https://help.splunk.com/en/splunk-enterprise/administer/manage-indexers-and-indexer-clusters/10.4/indexing-overview/how-indexing-works) in the Splunk documentation.",
          "supportingMedia": [
            {
              "type": "text/markdown",
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              "value": "In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, a user that holds a role with the `run_collect` capability could use the `collect` Search Processing Language (SPL) command to write events to internal indexes outside the index access configured for the role. The vulnerability is possible because Splunk Enterprise does not normalize whitespace in an index name before applying configured index-access restrictions for the role. For more information see [collect](https://help.splunk.com/en/splunk-enterprise/search/spl-search-reference/10.4/search-commands/collect), [Define roles on the Splunk platform with capabilities](https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities), and [How indexing works](https://help.splunk.com/en/splunk-enterprise/administer/manage-indexers-and-indexer-clusters/10.4/indexing-overview/how-indexing-works) in the Splunk documentation."
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Splunk",
          "product": "Splunk Enterprise",
          "modules": [
            "splunkd"
          ],
          "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"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "The product does not validate or incorrectly validates input that can affect the control flow or data flow of a program.",
              "cweId": "CWE-20",
              "type": "cwe"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://advisory.splunk.com/advisories/SVD-2026-1001"
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ],
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "workarounds": [
        {
          "lang": "en",
          "value": "If upgrading to a fixed version is not possible, remove the `run_collect` capability from every role that does not have access to internal indexes. For more information see [Define roles on the Splunk platform with capabilities](https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities) in the Splunk documentation."
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade Splunk Enterprise to versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15, or higher."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Anton (therceman)",
          "type": "reporter"
        }
      ]
    },
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        "providerMetadata": {
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          "shortName": "CISA-ADP",
          "dateUpdated": "2026-10-10T02:46:24.717Z"
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        "title": "CISA ADP Vulnrichment",
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}