{"id":"CVE-2026-76268","title":"In Splunk Enterprise versions below 10.4.3 and 10.2.7, an unauthenticated user with network access to the Patroni Representational State Transfer (REST) Application Programming Interface (API) on a search head cluster member could execut…","summary":"In Splunk Enterprise versions below 10.4.3 and 10.2.7, an unauthenticated user with network access to the Patroni Representational State Transfer (REST) Application Programming Interface (API) on a search head cluster member could execut…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-306"],"vendor":"Splunk","product":"Splunk Enterprise","affected":["enterprise >= 10.4 < 10.4.3","enterprise >= 10.2 < 10.2.7"],"published":"2026-10-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T21:17:17.607","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76268","references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1001","label":"psirt@cisco.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-07T21:54:15.093Z","slug":"CVE-2026-76268","body":"## Overview\n\nIn Splunk Enterprise versions below 10.4.3 and 10.2.7, an unauthenticated user with network access to the Patroni Representational State Transfer (REST) Application Programming Interface (API) on a search head cluster member could execute attacker-controlled operating-system commands. The vulnerability is possible because this interface does not require authentication for critical configuration operations. For more information see Sidecar configuration settings (https://help.splunk.com/en/data-management/splunk-enterprise-admin-manual/10.2/splunk-sidecars/sidecar-configuration-settings) in the Splunk documentation.\n\nSplunk Enterprise versions 10.0.x and 9.4.x are not affected.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}