CVE-2026-8828: Chroma Chromadb

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A lack of authorization validation in version 1.0.0 or later of the ChromaDB Rust 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.

Affected products

• Chroma Chromadb: from 1.0.0

Published 2026-06-12. Last modified 2026-06-17.