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vuln-cve/data/2026/53xxx/CVE-2026-53656.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-53656",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-09T20:50:36.876Z",
"datePublished": "2026-08-21T20:34:55.783Z",
"dateUpdated": "2026-08-21T21:42:44.374Z"
},
"containers": {
"cna": {
"title": "FiftyOne App server uses wildcard CORS (Access-Control-Allow-Origin: *), enabling cross-origin reads of local server data",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-346",
"lang": "en",
"description": "CWE-346: Origin Validation Error",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-942",
"lang": "en",
"description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/voxel51/fiftyone/security/advisories/GHSA-q78p-hj9h-5466",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/voxel51/fiftyone/security/advisories/GHSA-q78p-hj9h-5466"
},
{
"name": "https://github.com/voxel51/fiftyone/commit/6c4fa1b27bf53e4ba567742ffd20d033af7b9e64",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/voxel51/fiftyone/commit/6c4fa1b27bf53e4ba567742ffd20d033af7b9e64"
},
{
"name": "https://github.com/voxel51/fiftyone/commit/7c5b92eec5c7c0210c0c8134351ced77d2800ae0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/voxel51/fiftyone/commit/7c5b92eec5c7c0210c0c8134351ced77d2800ae0"
},
{
"name": "https://github.com/voxel51/fiftyone/releases/tag/v1.17.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/voxel51/fiftyone/releases/tag/v1.17.0"
}
],
"affected": [
{
"vendor": "voxel51",
"product": "fiftyone",
"versions": [
{
"version": "< 1.16.1",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-08-21T20:34:55.783Z"
},
"descriptions": [
{
"lang": "en",
"value": "FiftyOne is an open-source platform for refining high-quality datasets and visual AI models. Prior to 1.17.0, the FiftyOne App/API server in fiftyone/server/app.py and the /media route in fiftyone/server/routes/media.py unconditionally return Access-Control-Allow-Origin: *. Because the embedded server is local and unauthenticated, a malicious website visited by the user can read cross-origin responses. The /media endpoint accepts a filesystem path, allowing a drive-by page to read files accessible to the server process and exfiltrate them without additional clicks. The allowed_origins configuration and FIFTYONE_ALLOWED_ORIGINS environment variable now make cross-origin access explicit, while the default policy is same-origin. This issue is fixed in version 1.17.0."
}
],
"source": {
"advisory": "GHSA-q78p-hj9h-5466",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-21T20:58:19.663757Z",
"id": "CVE-2026-53656",
"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": "2026-08-21T21:42:44.374Z"
}
}
]
}
}