CVE-2026-45829
Critical
Description
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.
SeverityCritical
CVSS10.0
Exploit probability—
ProductChromadb
PublishedMay 18, 2026
First seenMay 18, 2026
Weakness typeCWE-94Code injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| chromadbPyPI | 1.0.0 ≤ v ≤ 1.5.9 | — |
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