{"id":"CVE-2026-76267","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76267","generatedAt":"2026-10-28T02:57:14.459Z","title":"In Splunk Enterprise versions below 10.4.3, 10.2.7, and 10.0.10, a user that holds a role with the read_o11y_content capability could inject forged entries into the app log through the Representational State Transfer (REST) API.","description":"In Splunk Enterprise versions below 10.4.3, 10.2.7, and 10.0.10, a user that holds a role with the read_o11y_content capability could inject forged entries into the app log through the Representational State Transfer (REST) API. The vulnerability is possible because Splunk App for Splunk O11y Cloud does not neutralize user-supplied SignalFlow content before writing it to the app log.\n\nSplunk Enterprise versions 9.4.x are not affected.","published":"2026-10-07T21:17:17.000Z","lastModified":"2026-10-14T12:21:20.000Z","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:N/I:L/A:N"},"cwe":["CWE-117"],"affected":["splunk/splunk"],"epss":{"score":0.00223,"percentile":0.1282,"date":"2026-10-26","history":[{"date":"2026-10-08","score":0.00166,"percentile":0.05309}]},"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 (0.22%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-07T21:17:17.000Z","detail":{"score":"4.3","severity":"MEDIUM","publishedAt":"2026-10-07T21:17:17.467Z"},"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-2026-76267","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."}