{"id":"CVE-2026-76302","state":"PUBLISHED","title":"Security Hardening in Splunk Enterprise - October 2026","description":"As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76302 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707.","publishedAt":"2026-10-21T22:52:03.886Z","updatedAt":"2026-10-22T13:11:39.459Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"cisco","products":["Splunk Splunk Enterprise"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.4","status":"affected","lessThan":"10.4.4","versionType":"custom"},{"version":"10.2","status":"affected","lessThan":"10.2.8","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.11","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.16","versionType":"custom"}]}],"references":["https://advisory.splunk.com/advisories/SVD-2026-1008"],"weaknesses":["CWE-707"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76302.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76302","state":"PUBLISHED","datePublished":"2026-10-21T22:52:03.886Z","dateUpdated":"2026-10-22T13:11:39.459Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2026-08-19T12:02:03.623Z"},"containers":{"cna":{"title":"Security Hardening in Splunk Enterprise - October 2026","descriptions":[{"lang":"en","value":"As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76302 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.4","status":"affected","lessThan":"10.4.4","versionType":"custom"},{"version":"10.2","status":"affected","lessThan":"10.2.8","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.11","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.16","versionType":"custom"}]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1008"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-707","lang":"en","type":"cwe","description":"The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties at met before being read from an upstream component or sent to a downstream component."}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-10-21T22:52:03.886Z"},"datePublic":"2026-10-21T00:00:00.000Z","source":{"advisory":"SVD-2026-1008","discovery":"INTERNAL"},"solutions":[{"lang":"en","value":"Upgrade Splunk Enterprise to versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16 or higher."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":9.9,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-22T13:11:36.280052Z","id":"CVE-2026-76302","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-22T13:11:39.459Z"}}]}}}