128 lines
6.2 KiB
JSON
128 lines
6.2 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-20205",
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"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"state": "PUBLISHED",
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"assignerShortName": "cisco",
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"dateReserved": "2025-10-08T11:59:15.397Z",
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"datePublished": "2026-04-15T15:17:58.202Z",
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"dateUpdated": "2026-04-15T17:39:19.517Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Splunk MCP Server",
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"vendor": "Splunk",
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"versions": [
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{
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"version": "1.0",
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"status": "affected",
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"versionType": "custom",
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"lessThan": "1.0.3"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "In Splunk MCP Server app versions below 1.0.3 , a user who holds a role with access to the Splunk `_internal` index or possesses the high-privilege capability `mcp_tool_admin` could view users session and authorization tokens in clear text.<br><br>The vulnerability would require either local access to the log files or administrative access to internal indexes, which by default only the admin role receives. <br><br>Review roles and capabilities on your instance and restrict internal index access to administrator-level roles. See [Define roles on the Splunk platform with capabilities](https://docs.splunk.com/Documentation/Splunk/latest/Security/Rolesandcapabilities) and [Connecting to MCP Server and Admin settings](https://help.splunk.com/en/splunk-enterprise/mcp-server-for-splunk-platform/connecting-to-mcp-server-and-admin-settings) in the Splunk documentation for more information."
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}
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],
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"value": "In Splunk MCP Server app versions below 1.0.3 , a user who holds a role with access to the Splunk `_internal` index or possesses the high-privilege capability `mcp_tool_admin` could view users session and authorization tokens in clear text.<br><br>The vulnerability would require either local access to the log files or administrative access to internal indexes, which by default only the admin role receives. <br><br>Review roles and capabilities on your instance and restrict internal index access to administrator-level roles. See [Define roles on the Splunk platform with capabilities](https://docs.splunk.com/Documentation/Splunk/latest/Security/Rolesandcapabilities) and [Connecting to MCP Server and Admin settings](https://help.splunk.com/en/splunk-enterprise/mcp-server-for-splunk-platform/connecting-to-mcp-server-and-admin-settings) in the Splunk documentation for more information."
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}
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],
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"references": [
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{
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"url": "https://advisory.splunk.com/advisories/SVD-2026-0407"
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}
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],
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"title": "Sensitive Information Disclosure in ''_internal'' index in Splunk MCP Server app",
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"datePublic": "2026-04-15T00:00:00.000Z",
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"metrics": [
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{
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"cvssV3_1": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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"version": "3.1",
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"baseScore": 7.2,
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"baseSeverity": "HIGH"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "cwe",
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"description": "Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.",
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"cweId": "CWE-532"
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}
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]
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}
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],
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"source": {
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"advisory": "SVD-2026-0407"
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},
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"credits": [
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{
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"lang": "en",
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"value": "Charlie Huggard, Splunk"
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}
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],
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"providerMetadata": {
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"shortName": "cisco",
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"dateUpdated": "2026-04-15T15:17:58.202Z"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-15T17:39:12.967528Z",
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"id": "CVE-2026-20205",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-04-15T17:39:19.517Z"
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}
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}
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]
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}
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} |