CVE-2026-45829

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.

Score

CVSS 4.0 10.0 Critical

Status

Awaiting Analysis - 6f8de1f0-f67e-45a6-b68f-98777fdb759c

Published

2026-05-18

Last modified

2026-10-26

Weaknesses

CWE-502, CWE-94

Affected products

• Chromadb (Chroma)
• Enterprise Linux Ai (Redhat)

References

• https://www.hiddenlayer.com/research/chromatoast-served-pre-auth
• https://github.com/chroma-core/chroma/issues/6717
• https://access.redhat.com/security/cve/CVE-2026-45829
• https://bugzilla.redhat.com/show_bug.cgi?id=2479623
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json