New API: User List API Leaks Root User Access Token Leading to Privilege Escalation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-64859
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-17 16:17:22 UTC
Updated2026-08-17 19:16:33 UTC
DescriptionNew 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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-200 | CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA QuantumNous New-api affected < 1.0.0-rc.7 Not specified

References

ReferenceSourceLinkTags
github.com/QuantumNous/new-api/pull/4929 [email protected] github.com
github.com/QuantumNous/new-api/commit/0936e2504655a5cbf7bc3c388f6d3e2bb2... [email protected] github.com
github.com/QuantumNous/new-api/security/advisories/GHSA-6x2c-phff-wx57 [email protected] github.com
github.com/QuantumNous/new-api/releases/tag/v1.0.0-rc.7 [email protected] github.com
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