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.
Published: 2026-05-18
Score: 10 Critical
EPSS: 12.4% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-f4j7-r4q5-qw2c ChromaDB Python project has a pre-authentication code injection vulnerability
History

Tue, 19 May 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 19 May 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Chroma
Chroma chromadb
Vendors & Products Chroma
Chroma chromadb

Tue, 19 May 2026 00:15:00 +0000

Type Values Removed Values Added
Title ChromaDB Pre‑Authentication Code Injection via model repository chromadb: ChromaDB Python Project: Arbitrary code execution via pre-authentication code injection
Weaknesses CWE-502
References
Metrics threat_severity

None

cvssV3_1

{'score': 10.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

threat_severity

Critical


Mon, 18 May 2026 17:30:00 +0000

Type Values Removed Values Added
Title ChromaDB Pre‑Authentication Code Injection via model repository

Mon, 18 May 2026 16:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-94
References
Metrics cvssV4_0

{'score': 10, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: HiddenLayer

Published:

Updated: 2026-06-29T12:34:19.001Z

Reserved: 2026-05-13T14:01:39.604Z

Link: CVE-2026-45829

cve-icon Vulnrichment

Updated: 2026-06-29T12:34:19.001Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-18T17:16:34.040

Modified: 2026-06-17T10:52:34.017

Link: CVE-2026-45829

cve-icon Redhat

Severity : Critical

Publid Date: 2026-05-18T15:59:22Z

Links: CVE-2026-45829 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-27T14:30:17Z

Weaknesses