CVE-2026-45829: Chroma Chromadb

Critical severity, CVSS 10.0. EPSS: 1% chance of exploitation in the next 30 days.

A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated 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/{tenant}/databases/{db}/collections endpoint.

Affected products

• Chroma Chromadb: from 1.0.0
• Red Hat Red Hat Enterprise Linux Ai Rhel Ai 3

Published 2026-05-18. Last modified 2026-07-15.