Critical
New API: User List API Leaks Root User Access Token Leading to Privilege Escalation
Type: advisorySources: OSV
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.7, the admin user list and user lookup APIs, including GET /api/user/, return User.AccessToken as access_token because User model objects are serialized after queries use Omit("password"), allowing an authenticated administrator to obtain the root user's bearer token and access root-only system configuration APIs. This issue is fixed in version 1.0.0-rc.7.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-64859
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 21:17 UTC · Revision 1
Source evidence
New API: User List API Leaks Root User Access Token Leading to Privilege Escalation
core-osv · Original sourcePublished 17 Aug 2026, 15:42 UTC
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.7, the admin user list and user lookup APIs, including GET /api/user/, return User.AccessToken as access_token because User model objects are serialized after queries use Omit("password"), allowing an authenticated administrator to obtain the root user's bearer token and access root-only system configuration APIs. This issue is fixed in version 1.0.0-rc.7.
osv:CVE-2026-64859
Complete source record
{
"id": "28bd00a321235c7429e93f9e17c6d3eb2d576c50292f62455c629f8add3934f2",
"url": "https://osv.dev/vulnerability/CVE-2026-64859",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "New API: User List API Leaks Root User Access Token Leading to Privilege Escalation",
"summary": "New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.7, the admin user list and user lookup APIs, including GET /api/user/, return User.AccessToken as access_token because User model objects are serialized after queries use Omit(\"password\"), allowing an authenticated administrator to obtain the root user's bearer token and access root-only system configuration APIs. This issue is fixed in version 1.0.0-rc.7.",
"evidence": "osv:CVE-2026-64859",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-64859",
"aliases": [
"CVE-2026-64859",
"GHSA-6x2c-phff-wx57",
"GO-2026-6240"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/quantumnous/new-api",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "146dd77b83a26c57b5070a391e3e8edf4ab017b9"
},
{
"fixed": "0936e2504655a5cbf7bc3c388f6d3e2bb24916d3"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.0.0-rc.7"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "0936e2504655a5cbf7bc3c388f6d3e2bb24916d3"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "146dd77b83a26c57b5070a391e3e8edf4ab017b9"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v1.0.0-rc.7"
}
]
}
}
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64859.json"
}
}
],
"modified": "2026-10-28T02:30:39.707429997Z",
"provider": "osv",
"references": [
"https://github.com/QuantumNous/new-api/releases/tag/v1.0.0-rc.7",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64859.json",
"https://github.com/QuantumNous/new-api/security/advisories/GHSA-6x2c-phff-wx57",
"https://nvd.nist.gov/vuln/detail/CVE-2026-64859",
"https://github.com/QuantumNous/new-api/commit/0936e2504655a5cbf7bc3c388f6d3e2bb24916d3",
"https://github.com/QuantumNous/new-api/pull/4929"
],
"provider_metadata": {
"cwe_ids": [
"CWE-200"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64859.json"
}
},
"related_cves": [
{
"value": "CVE-2026-64859",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 507161,
"published_at": "2026-08-17T15:42:18.557+00:00"
}