{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20203","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2025-10-08T11:59:15.397Z","datePublished":"2026-04-15T15:17:56.261Z","dateUpdated":"2026-04-15T17:40:36.484Z"},"containers":{"cna":{"affected":[{"product":"Splunk Enterprise","vendor":"Splunk","versions":[{"version":"10.2","status":"affected","versionType":"custom","lessThan":"10.2.2"},{"version":"10.0","status":"affected","versionType":"custom","lessThan":"10.0.5"},{"version":"9.4","status":"affected","versionType":"custom","lessThan":"9.4.10"},{"version":"9.3","status":"affected","versionType":"custom","lessThan":"9.3.11"}]},{"product":"Splunk Cloud Platform","vendor":"Splunk","versions":[{"version":"10.4.2603","status":"affected","versionType":"custom","lessThan":"Not Affected"},{"version":"10.3.2512","status":"affected","versionType":"custom","lessThan":"10.3.2512.6"},{"version":"10.2.2510","status":"affected","versionType":"custom","lessThan":"10.2.2510.10"},{"version":"10.1.2507","status":"affected","versionType":"custom","lessThan":"10.1.2507.19"},{"version":"10.0.2503","status":"affected","versionType":"custom","lessThan":"10.0.2503.13"},{"version":"9.3.2411","status":"affected","versionType":"custom","lessThan":"9.3.2411.127"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles, has write permission on the app, and does not hold the high-privilege capability `accelerate_datamodel`, could turn on or off Data Model Acceleration due to improper access control."}],"value":"In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles, has write permission on the app, and does not hold the high-privilege capability `accelerate_datamodel`, could turn on or off Data Model Acceleration due to improper access control."}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0402"}],"title":"Improper Access Control in Data Model Acceleration in Splunk Enterprise","datePublic":"2026-04-15T00:00:00.000Z","metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1","baseScore":4.3,"baseSeverity":"MEDIUM"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"lang":"en","type":"cwe","description":"The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","cweId":"CWE-284"}]}],"source":{"advisory":"SVD-2026-0402"},"credits":[{"lang":"en","value":"Mr Hack (try_to_hack) Santiago Lopez"}],"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2026-04-15T15:17:56.261Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-15T17:40:22.461732Z","id":"CVE-2026-20203","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-15T17:40:36.484Z"}}]}}