{"id":"CVE-2026-76298","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76298","generatedAt":"2026-10-28T04:13:38.850Z","title":"In Splunk Enterprise versions below 10.4.4 and 10.2.8, a user who does not hold the \"admin\" or \"power\" Splunk roles could derive the PostgreSQL sidecar database superuser password and run arbitrary operating system commands as the user account running…","description":"In Splunk Enterprise versions below 10.4.4 and 10.2.8, a user who does not hold the \"admin\" or \"power\" Splunk roles could derive the PostgreSQL sidecar database superuser password and run arbitrary operating system commands as the user account running Splunk Enterprise on search head cluster members.\nThe vulnerability is possible because the PostgreSQL sidecar service derives a privileged database password from the search head cluster identifier that appears in search job logs.\nFor more information see About configuring role-based user access (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.2/manage-splunk-platform-users-and-roles/about-configuring-role-based-user-access), server.conf (https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/configuration-file-reference/10.2.0-configuration-file-reference/server.conf), and Sidecar configuration settings (https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.4/splunk-sidecars/sidecar-configuration-settings) in the Splunk documentation.","published":"2026-10-21T23:17:28.000Z","lastModified":"2026-10-23T04:18:18.000Z","status":"Awaiting Analysis","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-321"],"affected":[],"epss":{"score":0.00353,"percentile":0.28762,"date":"2026-10-27","history":[{"date":"2026-10-22","score":0.00256,"percentile":0.16324}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T23:17:28.000Z","detail":{"score":"8.8","severity":"HIGH","publishedAt":"2026-10-21T23:17:27.817Z"},"summary":"New CVE, high severity (CVSS 8.8)."}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1007","source":"psirt@cisco.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76298","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}