{"id":"CVE-2026-76288","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-76288","generatedAt":"2026-10-27T23:58:30.453Z","title":"The vulnerability is possible because Splunk Web does not limit request-header parsing before processing the request.","description":"In Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, an unauthenticated user could send a single crafted request to the Splunk Web JavaScript logger endpoint and cause Splunk Web to stop responding to requests. Splunk Web remains unavailable until Splunk Enterprise is restarted.\nThe vulnerability is possible because Splunk Web does not limit request-header parsing before processing the request.","published":"2026-10-21T23:17:27.000Z","lastModified":"2026-10-22T16:57:10.000Z","status":"Awaiting Analysis","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":[],"epss":{"score":0.00472,"percentile":0.40564,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00372,"percentile":0.29931}]},"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 (0.47%). 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":"2026-10-21T23:17:27.000Z","detail":{"score":"7.5","severity":"HIGH","publishedAt":"2026-10-21T23:17:26.537Z"},"summary":"New CVE, high severity (CVSS 7.5)."}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1007","source":"psirt@cisco.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76288","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."}