{"id":"CVE-2026-20163","state":"PUBLISHED","title":"Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise","description":"In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.","publishedAt":"2026-03-11T16:18:26.857Z","updatedAt":"2026-03-12T13:23:31.857Z","severity":{"score":8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"cisco"},"assigner":"cisco","products":["Splunk Splunk Enterprise","Splunk Splunk Cloud Platform"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.0","status":"affected","lessThan":"10.0.4","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.9","versionType":"custom"},{"version":"9.3","status":"affected","lessThan":"9.3.10","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Cloud Platform","versions":[{"version":"10.2.2510","status":"affected","lessThan":"10.2.2510.5","versionType":"custom"},{"version":"10.0.2503","status":"affected","lessThan":"10.0.2503.12","versionType":"custom"},{"version":"10.1.2507","status":"affected","lessThan":"10.1.2507.16","versionType":"custom"},{"version":"9.3.2411","status":"affected","lessThan":"9.3.2411.124","versionType":"custom"}]}],"references":["https://advisory.splunk.com/advisories/SVD-2026-0302"],"weaknesses":["CWE-77"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20163.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20163","state":"PUBLISHED","datePublished":"2026-03-11T16:18:26.857Z","dateUpdated":"2026-03-12T13:23:31.857Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2025-10-08T11:59:15.389Z"},"containers":{"cna":{"title":"Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise","descriptions":[{"lang":"en","value":"In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.0","status":"affected","lessThan":"10.0.4","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.9","versionType":"custom"},{"version":"9.3","status":"affected","lessThan":"9.3.10","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Cloud Platform","versions":[{"version":"10.2.2510","status":"affected","lessThan":"10.2.2510.5","versionType":"custom"},{"version":"10.0.2503","status":"affected","lessThan":"10.0.2503.12","versionType":"custom"},{"version":"10.1.2507","status":"affected","lessThan":"10.1.2507.16","versionType":"custom"},{"version":"9.3.2411","status":"affected","lessThan":"9.3.2411.124","versionType":"custom"}]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0302"}],"metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1","baseScore":8,"baseSeverity":"HIGH"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","lang":"en","type":"cwe","description":"The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component."}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-03-11T16:18:26.857Z"},"datePublic":"2026-03-11T00:00:00.000Z","source":{"advisory":"SVD-2026-0302"},"credits":[{"lang":"en","value":"Danylo Dmytriiev (DDV_UA) <br><br>Gabriel Nitu, Splunk<br><br>James Ervin, Splunk"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-12T03:55:43.201014Z","id":"CVE-2026-20163","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-12T13:23:31.857Z"}}]}}}