{"schemaVersion":3,"id":"CVE-2026-20163","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2026-03-11T16:18:26.857Z","modified":"2026-03-12T13:23:31.857Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0048,"percentile":0.40152,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.01799999999999996,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00462},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0048,"percentile":0.40152}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00462,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0048,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0048,"percentile":0.40152}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command ('Command Injection')","description":"The product 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.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/77.html"}],"affected":[{"vendor":"splunk","product":"splunk","name":"splunk","label":"splunk","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 9.3.0, < 9.3.10","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.4.0, < 9.4.9","noFixRecorded":false,"fixedIn":null},{"text":"≥ 10.0.0, < 10.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 9.3.0, < 9.3.10 | ≥ 9.4.0, < 9.4.9 | ≥ 10.0.0, < 10.0.4","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"splunk","label":"Splunk","category":"server-app"}},"hubHref":"/vendor/splunk/splunk"},{"vendor":"splunk","product":"splunk_cloud_platform","name":"splunk cloud platform","label":"splunk_cloud_platform","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 9.3.2411, < 9.3.2411.124","noFixRecorded":false,"fixedIn":null},{"text":"≥ 10.0.2503, < 10.0.2503.12","noFixRecorded":false,"fixedIn":null},{"text":"≥ 10.1.2507, < 10.1.2507.16","noFixRecorded":false,"fixedIn":null},{"text":"≥ 10.2.2510, < 10.2.2510.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 9.3.2411, < 9.3.2411.124 | ≥ 10.0.2503, < 10.0.2503.12 | ≥ 10.1.2507, < 10.1.2507.16 | ≥ 10.2.2510, < 10.2.2510.5","eol":null,"hubHref":"/vendor/splunk/splunk_cloud_platform"},{"vendor":"splunk","product":"splunk enterprise","name":"Splunk Enterprise","label":"splunk enterprise","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0, < 10.0.4","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.4, < 9.4.9","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.3, < 9.3.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0, < 10.0.4 | ≥ 9.4, < 9.4.9 | ≥ 9.3, < 9.3.10","eol":null,"hubHref":"/vendor/splunk/splunk_enterprise"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0302","label":"advisory.splunk.com/advisories/SVD-2026-0302","hostname":"advisory.splunk.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-03-11T16:18:26.857Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-03-12T13:23:31.857Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T16:50:22.356Z","stale":false,"partial":false}}