Critical 10.0Published May 18, 2026

CVE-2026-45829A 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 malicio…

Updated under an hour ago (2026-10-19 07:00 UTC)

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Exploited in the last 30 days

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: 10.0 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-94, CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Awaiting Analysis
Record last updated: Jul 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.