{"id":"CVE-2026-76268","published":"2026-10-07T21:17:17Z","modified":"2026-10-14T12:20:41Z","title":"In Splunk Enterprise versions below 10.4.3 and 10.2.7, an unauthenticated user with network access to the Patroni…","vendor":"Splunk","product":"Splunk Enterprise","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"The Patroni REST API on search head cluster members in Splunk Enterprise (versions below 10.4.3 and 10.2.7) lacks authentication for critical configuration operations, allowing a flaw in that interface to be abused. An unauthenticated attacker with network access to that API on a search head cluster member could execute arbitrary operating-system commands, with no user interaction or authentication needed.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:16:28Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.04795,"percentile":0.91941,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1001","tags":["Vendor Advisory","Mitigation"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-94620","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94620","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2026-10-13","earliestUrl":"https://github.com/murrez/CVE-2026-76268","repos":[{"name":"murrez/CVE-2026-76268","url":"https://github.com/murrez/CVE-2026-76268","stars":7,"created":"2026-10-13"}]},"nuclei":[{"id":"CVE-2026-76268","name":"Splunk Enterprise Patroni REST API - Missing Authentication RCE","severity":"critical","path":"http/cves/2026/CVE-2026-76268.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-76268.yaml"}],"first":{"date":"2026-10-13","source":"PoC-in-GitHub","url":"https://github.com/murrez/CVE-2026-76268"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-07","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76268","provenance":"source"},{"date":"2026-10-13","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/murrez/CVE-2026-76268","provenance":"source"}],"speed":{"daysToPublicExploit":6,"firstExploitFrom":"PoC-in-GitHub","daysToKev":null},"priority":{"score":30.2,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":18.39,"detail":"percentile 0.9194"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}