CVE-2026-45829NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

May 18, 2026

Last Modified

Jul 15, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

12.39%Probability

Root Weakness (CWE)

CWE-94: Code Injection ↗

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended syntax or behavior.

CVSS v4.0 Base Metrics — Score 10.0 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)High

Integrity (Subsequent System)High

Availability (Subsequent System)High

Affected & Patched Versions

Affected Versions

Chroma ChromaDB >= 1.0.0 and <= *

Patched Versions

Chroma ChromaDB *

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