Improper Access Control in Splunk Enterprise

As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76281 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.

Problem type

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected products

Splunk

Splunk Enterprise

< 10.4.3 - AFFECTED

< 10.2.7 - AFFECTED

< 10.0.10 - AFFECTED

< 9.4.15 - AFFECTED

References

advisory.splunk.com

https://advisory.splunk.com/advisories/SVD-2026-1002

GitHub Security Advisories

GHSA-24c4-mg94-gv8m

Improper Access Control. Splunk addressed multiple internally identified vulnerabilities in...

https://github.com/advisories/GHSA-24c4-mg94-gv8m

Improper Access Control. Splunk addressed multiple internally identified vulnerabilities in Splunk Enterprise versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15. The vulnerabilities are grouped by Common Weakness Enumeration (CWE), with one Common Vulnerabilities and Exposures (CVE) identifier assigned to each group. See Details for more information.

nvd.nist.gov

https://nvd.nist.gov/vuln/detail/CVE-2026-76281

advisory.splunk.com

https://advisory.splunk.com/advisories/SVD-2026-1002

github.com

https://github.com/advisories/GHSA-24c4-mg94-gv8m

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-76281

Click to expand

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-76281",
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "dateUpdated": "2026-10-16T17:55:29.634Z",
    "dateReserved": "2026-08-19T12:02:03.621Z",
    "datePublished": "2026-10-07T20:46:37.805Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco",
        "dateUpdated": "2026-10-16T17:55:29.634Z"
      },
      "datePublic": "2026-10-07T00:00:00.000Z",
      "title": "Improper Access Control in Splunk Enterprise",
      "descriptions": [
        {
          "lang": "en",
          "value": "As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76281 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284."
        }
      ],
      "affected": [
        {
          "vendor": "Splunk",
          "product": "Splunk Enterprise",
          "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 software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.",
              "cweId": "CWE-284",
              "type": "cwe"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://advisory.splunk.com/advisories/SVD-2026-1002"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade Splunk Enterprise to versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15, or higher."
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2026-10-08T18:41:40.463Z"
        },
        "title": "CISA ADP Vulnrichment",
        "metrics": [
          {
            "cvssV3_1": {
              "version": "3.1",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "attackVector": "NETWORK",
              "attackComplexity": "LOW",
              "privilegesRequired": "NONE",
              "userInteraction": "NONE",
              "scope": "UNCHANGED",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM"
            }
          },
          {}
        ]
      }
    ]
  }
}