CVE-2026-33265

Estado: AnalizadaCrítica (9)—

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 9

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.25%
Percentil entre todas las CVEs puntuadas: 15
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement75 %
Impacto principalT1078.004 Cloud Accountsstealth · persistence · privilege escalation · initial access70 %
Impacto secundarioT1552.007 Container APIcredential access65 %

Usuario autenticado en red adyacente (AV:A, PR:L) explota servicio remoto para obtener múltiples JWTs de APIs; acceso a credenciales (tokens) y escalada dentro del servicio (C:H, I:H).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management User Account Management Network Segmentation Active Directory Configuration Vulnerability Scanning User Training

Tecnologías afectadas (1)

Librechat — Librechat

CWE

CWE-669

Referencias

JSON original (NVD)

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