{"schema":"threatline.record/2","record":{"id":"CVE-2026-76268","aliases":[],"summary":"Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise","details":"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 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.","categories":["Applications & CMS"],"product":"Splunk Enterprise","vendor":"Splunk","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76268","source_modified_at":"2026-10-21T22:52:20.998Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Splunk Enterprise","vendor":"Splunk","versions":[{"version":"10.4","status":"affected","versionType":"custom","lessThan":"10.4.3"},{"version":"10.2","status":"affected","versionType":"custom","lessThan":"10.2.7"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76268","source_modified_at":"2026-10-21T22:52:20.998Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Splunk Enterprise","ecosystem":null},"version":"10.4.3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76268","source_modified_at":"2026-10-21T22:52:20.998Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Splunk Enterprise","ecosystem":null},"version":"10.2.7","basis":"first unaffected version stated in the CVE record"}],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.01589,"percentile":0.75453,"score_date":"2026-10-23"},"published_at":"2026-10-07T20:46:31.281Z","modified_at":"2026-10-21T22:52:20.998Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-76268","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-21T22:52:20.998Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-76268.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-76268","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://advisory.splunk.com/advisories/SVD-2026-1001"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-08T00:00:00+00:00"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Splunk Enterprise Patroni REST API - Missing Authentication RCE","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-76268.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T22:52:20.998Z","content_hash":"b50c435791ffae6d05b3d574e1e55fdf4ea52bad9c453d775a727471c3b30458"}}