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.
History

Fri, 12 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 12 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Chroma
Chroma chromadb
Vendors & Products Chroma
Chroma chromadb

Fri, 12 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: HiddenLayer

Published:

Updated: 2026-06-12T16:22:00.578Z

Reserved: 2026-05-13T14:01:39.604Z

Link: CVE-2026-45831

cve-icon Vulnrichment

Updated: 2026-06-12T16:21:50.679Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-12T16:16:28.797

Modified: 2026-06-12T16:23:23.800

Link: CVE-2026-45831

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-12T16:30:14Z