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CVSS 10.0CVSS 10.0 · CRITICAL

CVE-2026-45829Pre-authentication code injection in ChromaDB

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.

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Analysis

ChromaDB presenta una vulnerabilidad crítica de inyección de código que permite a un atacante no autenticado ejecutar comandos arbitrarios en el servidor. Al explotar el parámetro trust_remote_code mediante una solicitud maliciosa a la API, un tercero puede comprometer totalmente la instancia de la base de datos vectorial. Esta falla afecta directamente a aplicaciones de IA y LLM que utilizan este motor para el almacenamiento de embeddings.

Severity

Score: 10.0(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-94

EPSS

Probability of exploitation (next 30 days): 0.1239 (12.4%)
Percentile: 95.7%
EPSS: 2026-07-14

Technical 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: 5/18/2026, 5:16:34 PM
Last modified: 7/15/2026, 3:16:51 AM

References

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