Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/chroma-core/chroma/issues/6717
- https://www.hiddenlayer.com/research/chromatoast-served-pre-auth
- 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
- https://www.hiddenlayer.com/research/chromatoast-served-pre-auth
FAQ
What is CVE-2026-45829?
CVE-2026-45829 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 maliciou...
How severe is CVE-2026-45829?
CVE-2026-45829 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-45829?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.