Vulnerability record · CVE-2026-45829 · published 18 May 2026

CVE-2026-45829: Code injection vulnerability

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.

10.0 CVSS 4.0 Critical EPSS 1.0% · top 37.9% CWE-94 · Code injectionCWE-502 · Deserialization of untrusted data Awaiting Analysis

10.0CVSS 4.0 base score

1.0%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

6References

15 Jul 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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

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Source: NIST National Vulnerability Database (record CVE-2026-45829), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.