{"id":"CVE-2026-20259","state":"PUBLISHED","title":"Improper Access Control in Splunk Enterprise","description":"In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.","publishedAt":"2026-06-10T17:16:02.256Z","updatedAt":"2026-06-10T18:24:37.870Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N","source":"cisco"},"assigner":"cisco","products":["Splunk Splunk Enterprise","Splunk Splunk Cloud Platform"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.2","status":"affected","lessThan":"10.2.4","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.7","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Cloud Platform","versions":[{"version":"10.3.2512","status":"affected","lessThan":"10.3.2512.12","versionType":"custom"},{"version":"10.2.2510","status":"affected","lessThan":"10.2.2510.15","versionType":"custom"},{"version":"10.1.2507","status":"affected","lessThan":"10.1.2507.23","versionType":"custom"},{"version":"10.0.2503","status":"affected","lessThan":"10.0.2503.14","versionType":"custom"},{"version":"9.3.2411","status":"affected","lessThan":"9.3.2411.131","versionType":"custom"}]}],"references":["https://advisory.splunk.com/advisories/SVD-2026-0609"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20259.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20259","state":"PUBLISHED","datePublished":"2026-06-10T17:16:02.256Z","dateUpdated":"2026-06-10T18:24:37.870Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2025-10-08T11:59:15.401Z"},"containers":{"cna":{"title":"Improper Access Control in Splunk Enterprise","descriptions":[{"lang":"en","value":"In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.2","status":"affected","lessThan":"10.2.4","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.7","versionType":"custom"}]},{"vendor":"Splunk","product":"Splunk Cloud Platform","versions":[{"version":"10.3.2512","status":"affected","lessThan":"10.3.2512.12","versionType":"custom"},{"version":"10.2.2510","status":"affected","lessThan":"10.2.2510.15","versionType":"custom"},{"version":"10.1.2507","status":"affected","lessThan":"10.1.2507.23","versionType":"custom"},{"version":"10.0.2503","status":"affected","lessThan":"10.0.2503.14","versionType":"custom"},{"version":"9.3.2411","status":"affected","lessThan":"9.3.2411.131","versionType":"custom"}]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0609"}],"metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N","version":"3.1","baseScore":5.5,"baseSeverity":"MEDIUM"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","type":"cwe","description":"The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor."}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-06-10T17:16:02.256Z"},"datePublic":"2026-06-10T00:00:00.000Z","source":{"advisory":"SVD-2026-0609"},"credits":[{"lang":"en","value":"Andres Perez, Splunk"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-10T18:24:17.180120Z","id":"CVE-2026-20259","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-10T18:24:37.870Z"}}]}}}