Threat Intelligence / CVE / CVE-2026-45829

CVE-2026-45829

CVSS 10 · EPSS 0.2% · Published 2026-05-18

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.

Weaknesses (CWE)

CWE-94

Threats tracking this CVE

ChromaDB CVE-2026-45829 "ChromaToast" — Pre-Auth RCE via trust_remote_code Hugging Face Model Load in FastAPI Server (HiddenLayer) — CRITICAL

References

https://www.hiddenlayer.com/research/chromatoast-served-pre-auth
https://github.com/chroma-core/chroma/issues/6717

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