CVE-2026-45833: Trychroma Chromadb

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/default_tenant/databases/default_database/collections/{collection_id} if they have the UPDATE_COLLECTION permission.

Affected products

• Trychroma Chromadb: from 0.4.17, up to and including 1.5.9

Published 2026-06-12. Last modified 2026-07-15.