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vuln-cve/data/2026/76xxx/CVE-2026-76390.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-76390",
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"state": "PUBLISHED",
"assignerShortName": "cisco",
"dateReserved": "2026-08-19T12:02:03.631Z",
"datePublished": "2026-08-19T21:35:09.175Z",
"dateUpdated": "2026-08-20T16:27:30.600Z"
},
"containers": {
"cna": {
"affected": [
{
"product": "Cisco Talos Intelligence for Enterprise Security Cloud",
"vendor": "Splunk",
"versions": [
{
"version": "1.0",
"status": "affected",
"versionType": "custom",
"lessThan": "1.0.3"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/markdown",
"value": "In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, an unauthenticated user could access the add-on OpenAPI specification through Splunk Web static file paths. The exposed specification could allow for reconnaissance of the add-on Representational State Transfer (REST) API endpoints and authentication model. The vulnerability is possible because the generated OpenAPI specification is packaged in a static file path that Splunk Web serves without authentication. For more information see [Deploy Cisco Talos Intelligence for Splunk Enterprise Security](https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.0/introduction/deploy-cisco-talos-intelligence-for-splunk-enterprise-security-cloud-only) in the Splunk documentation."
}
],
"value": "In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, an unauthenticated user could access the add-on OpenAPI specification through Splunk Web static file paths. The exposed specification could allow for reconnaissance of the add-on Representational State Transfer (REST) API endpoints and authentication model. The vulnerability is possible because the generated OpenAPI specification is packaged in a static file path that Splunk Web serves without authentication. For more information see Deploy Cisco Talos Intelligence for Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.0/introduction/deploy-cisco-talos-intelligence-for-splunk-enterprise-security-cloud-only) in the Splunk documentation."
}
],
"references": [
{
"url": "https://advisory.splunk.com/advisories/SVD-2026-0808"
}
],
"title": "Information Disclosure through Splunk Web in Cisco Talos Intelligence for Enterprise Security Cloud",
"datePublic": "2026-08-19T00:00:00.000Z",
"metrics": [
{
"cvssV3_1": {
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1",
"baseScore": 5.3,
"baseSeverity": "MEDIUM"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "cwe",
"cweId": "CWE-200",
"description": "The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information."
}
]
}
],
"source": {
"advisory": "SVD-2026-0808"
},
"providerMetadata": {
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco",
"dateUpdated": "2026-08-19T21:35:09.175Z"
},
"solutions": [
{
"lang": "en",
"value": "Upgrade each affected Splunk app or add-on to the applicable fixed version listed in Product Status."
}
],
"workarounds": [
{
"lang": "en",
"value": "Turn off or remove the Cisco Talos Intelligence for Enterprise Security Cloud app. For more information see [Manage app and add-on objects](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/meet-splunk-apps/manage-app-and-add-on-objects) in the Splunk documentation."
}
],
"credits": [
{
"lang": "en",
"value": "Gabriel Nitu, Splunk",
"type": "reporter"
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-76390",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-20T16:07:34.623272Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-20T16:27:30.600Z"
}
}
]
}
}