{"id":"CVE-2026-76276","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76276","generatedAt":"2026-10-28T01:51:08.711Z","title":"The vulnerability is possible because production JavaScript bundles for the app contain embedded source maps that include original source code.","description":"In Splunk Enterprise versions below 10.4.3, 10.2.7, and 10.0.10, a low-privileged user that does not hold the \"admin\" or \"power\" Splunk roles could retrieve original source code for the Discover Splunk Observability Cloud app through Splunk Web. The vulnerability is possible because production JavaScript bundles for the app contain embedded source maps that include original source code. For more information see About configuring role-based user access (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/about-configuring-role-based-user-access), Splunk Observability Cloud previews (https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.4/observability/splunk-observability-cloud-previews), and Navigating Splunk Web (https://help.splunk.com/en/splunk-enterprise/search/search-tutorial/10.4/part-1-getting-started/navigating-splunk-web) in the Splunk documentation.\n\nSplunk Enterprise versions 9.4.x are not affected.","published":"2026-10-07T21:17:19.000Z","lastModified":"2026-10-14T12:05:20.000Z","status":"Analyzed","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-1188"],"affected":["splunk/splunk"],"epss":{"score":0.00237,"percentile":0.14621,"date":"2026-10-26","history":[{"date":"2026-10-08","score":0.00176,"percentile":0.06576}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-07T21:17:19.000Z","detail":{"score":"4.3","severity":"MEDIUM","publishedAt":"2026-10-07T21:17:18.760Z"},"summary":"New CVE, medium severity (CVSS 4.3)."}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1001","tags":["Vendor Advisory","Mitigation"],"source":"psirt@cisco.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76276","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."}