{"id":"CVE-2026-76289","title":"Denial of Service (DoS) through the REST API in Splunk Enterprise","summary":"In Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, a user who does not hold the \"admin\" or \"power\" Splunk roles could make the Splunk Enterprise instance unavailable to other users by sending a request to the Repres…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-770"],"vendor":"Splunk","product":"Splunk Enterprise","affected":["enterprise >= 10.4 < 10.4.4","enterprise >= 10.2 < 10.2.8","enterprise >= 10.0 < 10.0.11","enterprise >= 9.4 < 9.4.16"],"published":"2026-10-21","updated":"2026-10-21","sourceUpdated":"2026-10-21T22:51:51.849Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-76289","references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1007"}],"tags":["cve.org"],"ingestedAt":"2026-10-21T23:20:10.328Z","slug":"CVE-2026-76289","body":"## Overview\n\nIn Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, a user who does not hold the \"admin\" or \"power\" Splunk roles could make the Splunk Enterprise instance unavailable to other users by sending a request to the Representational State Transfer (REST) API endpoint for lookup table files. The affected instance requires a restart to restore service.\nThe vulnerability is possible because the endpoint does not limit resource use when it processes response field selections.\nFor more information see Endpoints reference list (https://help.splunk.com/en/splunk-enterprise/rest-api-reference/10.4/introduction/endpoints-reference-list) and About configuring role-based user access (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/about-configuring-role-based-user-access) in the Splunk documentation.\n\n## Affected\n\n- `enterprise >= 10.4 < 10.4.4`\n- `enterprise >= 10.2 < 10.2.8`\n- `enterprise >= 10.0 < 10.0.11`\n- `enterprise >= 9.4 < 9.4.16`\n\n## Remediation\n\nUpgrade Splunk Enterprise to versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16 or higher.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}