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vuln-cve/data/2026/53xxx/CVE-2026-53453.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-53453",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-09T16:31:21.494Z",
"datePublished": "2026-08-18T20:48:20.578Z",
"dateUpdated": "2026-08-19T13:17:06.706Z"
},
"containers": {
"cna": {
"title": "Blueprint Studio API authorization bypass for non-admin Home Assistant users",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-862",
"lang": "en",
"description": "CWE-862: Missing Authorization",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-ppwq-ch6x-936g",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ha-china/blueprint-studio/security/advisories/GHSA-ppwq-ch6x-936g"
},
{
"name": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ha-china/blueprint-studio/commit/943aed0be67f3a910b0f70a3864288d5e17e55ce"
},
{
"name": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ha-china/blueprint-studio/releases/tag/v2.5.2"
}
],
"affected": [
{
"vendor": "ha-china",
"product": "blueprint-studio",
"versions": [
{
"version": "< 2.5.2",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-18T20:48:20.578Z"
},
"descriptions": [
{
"lang": "en",
"value": "Blueprint Studio is a VS Code-like file editor for Home Assistant configuration files. Prior to 2.5.2, Blueprint Studio exposed administrator-intended backend API actions to any authenticated Home Assistant user because the backend did not consistently enforce the panel's admin-only authorization boundary. Affected surfaces included the backend API, upload API, stream routes, terminal WebSocket, Blueprint Studio WebSocket subscriptions, call_service, render_template, global_replace, file and stream access paths, upload handling, and terminal helpers. A non-admin user could invoke arbitrary Home Assistant services, expose Home Assistant state through templates, modify configuration files, access streamed or downloaded configuration content, upload files, or reach terminal-related helpers. These actions could compromise the confidentiality, integrity, and availability of the Home Assistant installation. This issue is fixed in version 2.5.2."
}
],
"source": {
"advisory": "GHSA-ppwq-ch6x-936g",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-19T13:16:37.593356Z",
"id": "CVE-2026-53453",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-19T13:17:06.706Z"
}
}
]
}
}