CVE-2026-45831

HIGH

ChromaDB - Incorrect Authorization

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0024
EPSS Percentile 14.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-863
Status published
Products (2)
Chroma/ChromaDB 0.5.0
trychroma/chromadb 0.5.0 - 1.5.9
Published Jun 12, 2026
Tracked Since Jun 12, 2026