{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76348","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2026-08-19T12:02:03.628Z","datePublished":"2026-08-19T21:34:43.675Z","dateUpdated":"2026-08-20T16:27:36.062Z"},"containers":{"cna":{"affected":[{"product":"Splunk Enterprise","vendor":"Splunk","versions":[{"version":"10.4","status":"affected","versionType":"custom","lessThan":"10.4.2"},{"version":"10.2","status":"affected","versionType":"custom","lessThan":"10.2.6"},{"version":"10.0","status":"affected","versionType":"custom","lessThan":"10.0.9"},{"version":"9.4","status":"affected","versionType":"custom","lessThan":"9.4.14"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/markdown","value":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who holds a Splunk role that contains the high-privilege list_search_head_clustering capability could send a read request to Search Head Cluster member control endpoints and change cluster state, which could allow for a denial of service. The vulnerability is possible because the Search Head Cluster member control endpoints do not require a state-changing Hypertext Transfer Protocol (HTTP) request type before they apply read-only authorization."}],"value":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who holds a Splunk role that contains the high-privilege list_search_head_clustering capability could send a read request to Search Head Cluster member control endpoints and change cluster state, which could allow for a denial of service. The vulnerability is possible because the Search Head Cluster member control endpoints do not require a state-changing Hypertext Transfer Protocol (HTTP) request type before they apply read-only authorization."}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0801"}],"title":"Missing Authorization in Search Head Cluster Member Controls in Splunk Enterprise","datePublic":"2026-08-19T00:00:00.000Z","metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","version":"3.1","baseScore":3.8,"baseSeverity":"LOW"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"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-2026-0801"},"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2026-08-19T21:34:43.675Z"},"solutions":[{"lang":"en","value":"Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher."}],"workarounds":[{"lang":"en","value":"Remove the list_search_head_clustering capability from Splunk roles if they do not need Search Head Cluster status information. 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."}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-76348","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-08-20T16:15:31.896305Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-20T16:27:36.062Z"}}]}}