{"schema":"threatline.record/2","record":{"id":"CVE-2026-76288","aliases":[],"summary":"Denial of Service (DoS) through Splunk Web Content-Type Header Parsing in Splunk Enterprise","details":"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.","categories":["Applications & CMS"],"product":"Splunk Enterprise","vendor":"Splunk","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76288","source_modified_at":"2026-10-22T13:37:48.847Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Splunk Enterprise","vendor":"Splunk","versions":[{"version":"10.4","status":"affected","versionType":"custom","lessThan":"10.4.4"},{"version":"10.2","status":"affected","versionType":"custom","lessThan":"10.2.8"},{"version":"10.0","status":"affected","versionType":"custom","lessThan":"10.0.11"},{"version":"9.4","status":"affected","versionType":"custom","lessThan":"9.4.16"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76288","source_modified_at":"2026-10-22T13:37:48.847Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Splunk Enterprise","ecosystem":null},"version":"10.4.4","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76288","source_modified_at":"2026-10-22T13:37:48.847Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Splunk Enterprise","ecosystem":null},"version":"10.2.8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76288","source_modified_at":"2026-10-22T13:37:48.847Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Splunk Enterprise","ecosystem":null},"version":"10.0.11","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76288","source_modified_at":"2026-10-22T13:37:48.847Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Splunk Enterprise","ecosystem":null},"version":"9.4.16","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00372,"percentile":0.29948,"score_date":"2026-10-23"},"published_at":"2026-10-21T22:51:50.487Z","modified_at":"2026-10-22T13:37:48.847Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-76288","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T13:37:48.847Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-76288","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://advisory.splunk.com/advisories/SVD-2026-1007"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-22T13:20:16.974939Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-22T13:37:48.847Z","content_hash":"14ec0c3e67e774db2dce80e8c87a5d7b3bba2b0df9c63a7aa963b9063ba4da83"}}