Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-7846

Gravedad CVSS v4.0:
BAJA
Tipo:
CWE-362 Ejecución concurrente utilizando recursos compartidos con una incorrecta sincronización (Condición de carrera)
Fecha de publicación:
05/05/2026
Última modificación:
05/05/2026

Descripción

*** Pendiente de traducción *** A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to time-of-check time-of-use. Access to the local network is required for this attack to succeed. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Impacto

Puntuación base 4.0
1.20
Gravedad 4.0
BAJA
Puntuación base 3.x
2.60
Gravedad 3.x
BAJA
Puntuación base 2.0
1.40
Gravedad 2.0
BAJA