CVE-2026-45830

HIGH

ChromaDB - Authorization Bypass Through User-Controlled Key

Title source: rule
STIX 2.1

Description

A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.

Scores

CVSS v3 8.8
EPSS 0.0034
EPSS Percentile 27.1%
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-266 CWE-639
Status published
Products (2)
Chroma/ChromaDB 0.4.17
trychroma/chromadb 0.4.17 - 1.5.9
Published Jun 12, 2026
Tracked Since Jun 12, 2026