CVE-2026-20259

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20259", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2025-10-08T11:59:15.401Z", "datePublished": "2026-06-10T17:16:02.256Z", "dateUpdated": "2026-06-10T18:24:37.870Z"}, "containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"version": "10.2", "status": "affected", "versionType": "custom", "lessThan": "10.2.4"}, {"version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.7"}]}, {"product": "Splunk Cloud Platform", "vendor": "Splunk", "versions": [{"version": "10.3.2512", "status": "affected", "versionType": "custom", "lessThan": "10.3.2512.12"}, {"version": "10.2.2510", "status": "affected", "versionType": "custom", "lessThan": "10.2.2510.15"}, {"version": "10.1.2507", "status": "affected", "versionType": "custom", "lessThan": "10.1.2507.23"}, {"version": "10.0.2503", "status": "affected", "versionType": "custom", "lessThan": "10.0.2503.14"}, {"version": "9.3.2411", "status": "affected", "versionType": "custom", "lessThan": "9.3.2411.131"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control."}], "value": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0609"}], "title": "Improper Access Control in Splunk Enterprise", "datePublic": "2026-06-10T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N", "version": "3.1", "baseScore": 5.5, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "description": "The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.", "cweId": "CWE-284"}]}], "source": {"advisory": "SVD-2026-0609"}, "credits": [{"lang": "en", "value": "Andres Perez, Splunk"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-06-10T17:16:02.256Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-10T18:24:17.180120Z", "id": "CVE-2026-20259", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T18:24:37.870Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-20259", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-10T18:24:17.180120Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T18:24:21.756Z"}}], "cna": {"title": "Improper Access Control in Splunk Enterprise", "source": {"advisory": "SVD-2026-0609"}, "credits": [{"lang": "en", "value": "Andres Perez, Splunk"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 5.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Splunk", "product": "Splunk Enterprise", "versions": [{"status": "affected", "version": "10.2", "lessThan": "10.2.4", "versionType": "custom"}, {"status": "affected", "version": "10.0", "lessThan": "10.0.7", "versionType": "custom"}]}, {"vendor": "Splunk", "product": "Splunk Cloud Platform", "versions": [{"status": "affected", "version": "10.3.2512", "lessThan": "10.3.2512.12", "versionType": "custom"}, {"status": "affected", "version": "10.2.2510", "lessThan": "10.2.2510.15", "versionType": "custom"}, {"status": "affected", "version": "10.1.2507", "lessThan": "10.1.2507.23", "versionType": "custom"}, {"status": "affected", "version": "10.0.2503", "lessThan": "10.0.2503.14", "versionType": "custom"}, {"status": "affected", "version": "9.3.2411", "lessThan": "9.3.2411.131", "versionType": "custom"}]}], "datePublic": "2026-06-10T00:00:00.000Z", "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0609"}], "descriptions": [{"lang": "en", "value": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.", "supportingMedia": [{"type": "text/html", "value": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-284", "description": "The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor."}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-06-10T17:16:02.256Z"}}}, "cveMetadata": {"cveId": "CVE-2026-20259", "state": "PUBLISHED", "dateUpdated": "2026-06-10T18:24:37.870Z", "dateReserved": "2025-10-08T11:59:15.401Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2026-06-10T17:16:02.256Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"lessThan": "10.2.4", "status": "affected", "version": "10.2", "versionType": "custom"}, {"lessThan": "10.0.7", "status": "affected", "version": "10.0", "versionType": "custom"}]}, {"product": "Splunk Cloud Platform", "vendor": "Splunk", "versions": [{"lessThan": "10.3.2512.12", "status": "affected", "version": "10.3.2512", "versionType": "custom"}, {"lessThan": "10.2.2510.15", "status": "affected", "version": "10.2.2510", "versionType": "custom"}, {"lessThan": "10.1.2507.23", "status": "affected", "version": "10.1.2507", "versionType": "custom"}, {"lessThan": "10.0.2503.14", "status": "affected", "version": "10.0.2503", "versionType": "custom"}, {"lessThan": "9.3.2411.131", "status": "affected", "version": "9.3.2411", "versionType": "custom"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "0C9F1DED-280E-4C76-A867-A7A8FCBD1F7A", "versionEndExcluding": "10.0.7", "versionStartIncluding": "10.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E3B992C0-AD5E-43A1-BAA3-6B11FFD5D750", "versionEndExcluding": "10.2.4", "versionStartIncluding": "10.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "matchCriteriaId": "DE30D331-0EA3-4C10-8AAF-72332E7F524F", "versionEndExcluding": "9.3.2411.131", "versionStartIncluding": "9.3.2411", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "matchCriteriaId": "B3F16DA8-C9A7-44D3-AE22-10BD74AC1873", "versionEndExcluding": "10.0.2503.14", "versionStartIncluding": "10.0.2503", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "matchCriteriaId": "84E3B0CD-9909-4F06-9ABE-763705D501C3", "versionEndExcluding": "10.1.2507.23", "versionStartIncluding": "10.1.2507", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "matchCriteriaId": "71B91525-F2D6-4699-8D6B-8D375A8785EE", "versionEndExcluding": "10.2.2510.15", "versionStartIncluding": "10.2.2510", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "matchCriteriaId": "D78DAE10-4B29-4B44-B09A-041500E22CEF", "versionEndExcluding": "10.3.2512.12", "versionStartIncluding": "10.3.2512", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control."}], "id": "CVE-2026-20259", "lastModified": "2026-06-17T10:17:20.897", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 4.2, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20259", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-10T18:24:17.180120Z", "version": "2.0.3"}}]}, "published": "2026-06-10T18:16:41.503", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://advisory.splunk.com/advisories/SVD-2026-0609"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.3.2512,10.3.2512.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.2.2510,10.2.2510.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.1.2507,10.1.2507.23)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.0.2503,10.0.2503.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.3.2411,9.3.2411.131)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Splunk Cloud Platform", "source": "cna", "vendor": "Splunk"}, "product": "splunk_cloud_platform", "vendor": "splunk"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.2,10.2.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.0,10.0.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Splunk Enterprise", "source": "cna", "vendor": "Splunk"}, "product": "splunk_enterprise", "vendor": "splunk"}], "created": "2026-06-10T19:30:36.815024+00:00", "updated": "2026-06-12T22:00:20.689858+00:00", "vendors": ["splunk", "splunk$PRODUCT$splunk_cloud_platform", "splunk$PRODUCT$splunk_enterprise"]}