CVE-2026-76314

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76314", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2026-08-19T12:02:03.625Z", "datePublished": "2026-08-19T21:34:23.194Z", "dateUpdated": "2026-08-27T16:24:56.442Z"}, "containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"version": "10.4", "status": "affected", "versionType": "custom", "lessThan": "10.4.2"}, {"version": "10.2", "status": "affected", "versionType": "custom", "lessThan": "10.2.6"}, {"version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.9"}, {"version": "9.4", "status": "affected", "versionType": "custom", "lessThan": "9.4.14"}]}], "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, a user who does not hold the \"admin\" or \"power\" Splunk roles could perform Remote Code Execution (RCE) by submitting crafted Splunk Web Manager Configuration content. The user could then access all relevant data and affect system integrity and availability. The vulnerability is possible because Splunk Web evaluates manager Extensible Markup Language expressions without sufficient input restrictions, and the associated configuration route does not require the capability expected for manager configuration changes. For more information see [About configuration files](https://help.splunk.com/en/data-management/splunk-enterprise-admin-manual/10.4/administer-splunk-enterprise-with-configuration-files/about-configuration-files) in the Splunk documentation."}], "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the \"admin\" or \"power\" Splunk roles could perform Remote Code Execution (RCE) by submitting crafted Splunk Web Manager Configuration content. The user could then access all relevant data and affect system integrity and availability. The vulnerability is possible because Splunk Web evaluates manager Extensible Markup Language expressions without sufficient input restrictions, and the associated configuration route does not require the capability expected for manager configuration changes. For more information see About configuration files (https://help.splunk.com/en/data-management/splunk-enterprise-admin-manual/10.4/administer-splunk-enterprise-with-configuration-files/about-configuration-files) in the Splunk documentation."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0801"}], "title": "Remote Code Execution (RCE) through Splunk Web Manager Configuration in Splunk Enterprise", "datePublic": "2026-08-19T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-94", "description": "The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment."}]}], "source": {"advisory": "SVD-2026-0801"}, "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-08-19T21:34:23.194Z"}, "solutions": [{"lang": "en", "value": "Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher."}], "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/10.4/install-splunk-enterprise-securely/disable-unnecessary-splunk-enterprise-components) and the [web.conf](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.4/configuration-file-reference/10.4.0-configuration-file-reference/web.conf) configuration specification file for more information on turning off Splunk Web."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-76314", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-21T03:56:50.708415Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T16:24:56.442Z"}}]}}

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{"affected": [{"affectedData": [{"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"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E180CC4C-5B8B-4D69-8535-93DCF3510119", "versionEndExcluding": "9.4.14", "versionStartIncluding": "9.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "0FD75354-A6EE-49F9-9B8A-31287A845CFB", "versionEndExcluding": "10.0.9", "versionStartIncluding": "10.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "C8FDA841-04BC-404C-B56D-7869CBD8B56C", "versionEndExcluding": "10.2.6", "versionStartIncluding": "10.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "209C1DE6-893D-424D-B103-B64A314AD8DC", "versionEndExcluding": "10.4.2", "versionStartIncluding": "10.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the \"admin\" or \"power\" Splunk roles could perform Remote Code Execution (RCE) by submitting crafted Splunk Web Manager Configuration content. The user could then access all relevant data and affect system integrity and availability. The vulnerability is possible because Splunk Web evaluates manager Extensible Markup Language expressions without sufficient input restrictions, and the associated configuration route does not require the capability expected for manager configuration changes. For more information see About configuration files (https://help.splunk.com/en/data-management/splunk-enterprise-admin-manual/10.4/administer-splunk-enterprise-with-configuration-files/about-configuration-files) in the Splunk documentation."}], "id": "CVE-2026-76314", "lastModified": "2026-08-27T17:20:08.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76314", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-21T03:56:50.708415Z", "version": "2.0.3"}}]}, "published": "2026-08-19T22:17:15.250", "references": [{"source": "psirt@cisco.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://advisory.splunk.com/advisories/SVD-2026-0801"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}

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