CVE-2026-45833: chromadb: ChromaDB: Arbitrary Code Execution via Code Injection

Severity: Critical

CVSS Score: 9.4

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.