CVE-2026-45831

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:trychroma:chromadb:*:*:*:*:*:python:*:*

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) El proveedor de autorización SimpleRBACAuthorizationProvider en versiones 0.5.0 o posteriores del proyecto Python ChromaDB evalúa si un usuario posee un permiso determinado, pero nunca verifica a qué inquilino, base de datos o colección se aplica ese permiso, lo que permite a los usuarios realizar acciones entre inquilinos.

Information

Published : 2026-06-12 16:16

Updated : 2026-10-26 11:10

NVD link : CVE-2026-45831

Mitre link : CVE-2026-45831

CVE.ORG link : CVE-2026-45831

JSON object : View

Products Affected

trychroma

chromadb

CWE

CWE-863

Incorrect Authorization

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