{"api_version":"1","generated_at":"2026-08-22T13:09:39+00:00","cve":"CVE-2026-76321","urls":{"html":"https://cve.report/CVE-2026-76321","api":"https://cve.report/api/cve/CVE-2026-76321.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-76321","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-76321"},"summary":{"title":"SPL Injection through Nearby Event Searches in Splunk Enterprise","description":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could inject arbitrary Search Processing Language (SPL) into requests that search for events near a selected event. This could allow for unauthorized search execution. The vulnerability is possible because Splunk Web does not consistently escape caller-supplied values when it builds SPL for nearby-event searches, and embedded report access accepts those requests without the expected authorization check. For more information see Use time to find nearby events (https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.2/specify-time-ranges/use-time-to-find-nearby-events) in the Splunk documentation.","state":"PUBLISHED","assigner":"cisco","published_at":"2026-08-19 22:17:16","updated_at":"2026-08-21 04:18:22"},"problem_types":["CWE-77","CWE-77 The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component."],"metrics":[{"version":"3.1","source":"psirt@cisco.com","type":"Secondary","score":"7.3","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.3","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","data":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"}}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0801","name":"https://advisory.splunk.com/advisories/SVD-2026-0801","refsource":"psirt@cisco.com","tags":["Mitigation","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-76321","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76321","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Splunk","product":"Splunk Enterprise","version":"affected 10.4 10.4.2 custom","platforms":[]},{"source":"CNA","vendor":"Splunk","product":"Splunk Enterprise","version":"affected 10.2 10.2.6 custom","platforms":[]},{"source":"CNA","vendor":"Splunk","product":"Splunk Enterprise","version":"affected 10.0 10.0.9 custom","platforms":[]},{"source":"CNA","vendor":"Splunk","product":"Splunk Enterprise","version":"affected 9.4 9.4.14 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"The vulnerability affects instances with Splunk Web turned on. Turning Splunk Web off is a possible workaround. See [Disable unnecessary Splunk Enterprise components](https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.2/install-splunk-enterprise-securely/disable-unnecessary-splunk-enterprise-components) and the [web.conf](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/configuration-file-reference/10.2.0-configuration-file-reference/web.conf) configuration specification file for more information on turning off Splunk Web.","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"76321","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"splunk","cpe5":"splunk","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"enterprise","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"76321","cve":"CVE-2026-76321","epss":"0.003370000","percentile":"0.267920000","score_date":"2026-08-21","updated_at":"2026-08-22 00:12:50"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-76321","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-20T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-21T03:56:44.323Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Splunk Enterprise","vendor":"Splunk","versions":[{"lessThan":"10.4.2","status":"affected","version":"10.4","versionType":"custom"},{"lessThan":"10.2.6","status":"affected","version":"10.2","versionType":"custom"},{"lessThan":"10.0.9","status":"affected","version":"10.0","versionType":"custom"},{"lessThan":"9.4.14","status":"affected","version":"9.4","versionType":"custom"}]}],"datePublic":"2026-08-19T00:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/markdown","value":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could inject arbitrary Search Processing Language (SPL) into requests that search for events near a selected event. This could allow for unauthorized search execution. The vulnerability is possible because Splunk Web does not consistently escape caller-supplied values when it builds SPL for nearby-event searches, and embedded report access accepts those requests without the expected authorization check. For more information see [Use time to find nearby events](https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.2/specify-time-ranges/use-time-to-find-nearby-events) in the Splunk documentation."}],"value":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could inject arbitrary Search Processing Language (SPL) into requests that search for events near a selected event. This could allow for unauthorized search execution. The vulnerability is possible because Splunk Web does not consistently escape caller-supplied values when it builds SPL for nearby-event searches, and embedded report access accepts those requests without the expected authorization check. For more information see Use time to find nearby events (https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.2/specify-time-ranges/use-time-to-find-nearby-events) in the Splunk documentation."}],"metrics":[{"cvssV3_1":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","description":"The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.","lang":"en","type":"cwe"}]}],"providerMetadata":{"dateUpdated":"2026-08-19T21:34:27.325Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-0801"}],"solutions":[{"lang":"en","value":"Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher."}],"source":{"advisory":"SVD-2026-0801"},"title":"SPL Injection through Nearby Event Searches in Splunk Enterprise","workarounds":[{"lang":"en","value":"The vulnerability affects instances with Splunk Web turned on. Turning Splunk Web off is a possible workaround. See [Disable unnecessary Splunk Enterprise components](https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.2/install-splunk-enterprise-securely/disable-unnecessary-splunk-enterprise-components) and the [web.conf](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/configuration-file-reference/10.2.0-configuration-file-reference/web.conf) configuration specification file for more information on turning off Splunk Web."}]}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2026-76321","datePublished":"2026-08-19T21:34:27.325Z","dateReserved":"2026-08-19T12:02:03.625Z","dateUpdated":"2026-08-21T03:56:44.323Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-19 22:17:16","lastModifiedDate":"2026-08-21 04:18:22","problem_types":["CWE-77","CWE-77 The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component."],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":3.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-20T00:00:00+00:00","id":"CVE-2026-76321","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"9.4.0","versionEndExcluding":"9.4.14","matchCriteriaId":"E180CC4C-5B8B-4D69-8535-93DCF3510119"},{"vulnerable":true,"criteria":"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.9","matchCriteriaId":"0FD75354-A6EE-49F9-9B8A-31287A845CFB"},{"vulnerable":true,"criteria":"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"10.2.0","versionEndExcluding":"10.2.6","matchCriteriaId":"C8FDA841-04BC-404C-B56D-7869CBD8B56C"},{"vulnerable":true,"criteria":"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"10.4.0","versionEndExcluding":"10.4.2","matchCriteriaId":"209C1DE6-893D-424D-B103-B64A314AD8DC"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"76321","Ordinal":"1","Title":"SPL Injection through Nearby Event Searches in Splunk Enterprise","CVE":"CVE-2026-76321","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"76321","Ordinal":"1","NoteData":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could inject arbitrary Search Processing Language (SPL) into requests that search for events near a selected event. This could allow for unauthorized search execution. The vulnerability is possible because Splunk Web does not consistently escape caller-supplied values when it builds SPL for nearby-event searches, and embedded report access accepts those requests without the expected authorization check. For more information see Use time to find nearby events (https://help.splunk.com/en/splunk-enterprise/search/search-manual/10.2/specify-time-ranges/use-time-to-find-nearby-events) in the Splunk documentation.","Type":"Description","Title":"SPL Injection through Nearby Event Searches in Splunk Enterprise"}]}}}