CVE-2026-45833

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

Chromadb

Trychroma Chromadb

≤ 1.5.9

Fix

Available

CVSS 4.0

9.4 CRITICAL

CVSS 3.1

8.8 HIGH

EPSS

0.3% (27th percentile)

Weakness

CWE-94

NVD status

Modified

Published

2026-06-12

Attack patterns

CAPEC-242

Entry point

trust_remote_code request body

Path

/api/v2/tenants/default_tenant/databases/default_database/collections/{collection_id}