CVE-2026-27893
Estado: ModificadaAlta (8.8)—
vLLM is an inference and serving engine for large language models (LLMs). Starting in version 0.10.1 and prior to version 0.18.0, two model implementation files hardcode `trust_remote_code=True` when loading sub-components, bypassing the user's explicit `--trust-remote-code=False` security opt-out. This enables remote code execution via malicious model repositories even when the user has explicitly disabled remote code trust. Version 0.18.0 patches the issue.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.81%
- Percentil entre todas las CVEs puntuadas: 78
- Fecha de la puntuación: 6/10/2026
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.
- Explotación
T1203Exploitation for Client Executionexecution95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1005Data from Local Systemcollection75 %
Requiere interacción del usuario (UI:R) al cargar modelo; hardcodear trust_remote_code=True permite RCE en cliente vLLM bypaseando controles explícitos del usuario.
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
Tecnologías afectadas (1)
CWE
- CWE-693
- CWE-501
Referencias
- https://github.com/vllm-project/vllm/commit/00bd08edeee5dd4d4c13277c0114a464011acf72
- https://github.com/vllm-project/vllm/pull/36192
- https://github.com/vllm-project/vllm/security/advisories/GHSA-7972-pg2x-xr59
- https://access.redhat.com/errata/RHSA-2026:10140
- https://access.redhat.com/errata/RHSA-2026:10141
- https://access.redhat.com/errata/RHSA-2026:19712
- https://access.redhat.com/errata/RHSA-2026:19724
- https://access.redhat.com/errata/RHSA-2026:19725
- https://access.redhat.com/errata/RHSA-2026:24977
- https://access.redhat.com/errata/RHSA-2026:37275
- https://access.redhat.com/errata/RHSA-2026:42644
- https://access.redhat.com/errata/RHSA-2026:8746
- https://access.redhat.com/errata/RHSA-2026:8747
- https://access.redhat.com/errata/RHSA-2026:8748
- https://access.redhat.com/security/cve/CVE-2026-27893
- https://bugzilla.redhat.com/show_bug.cgi?id=2452055
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27893.json
JSON original (NVD)
Mostrar
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"descriptions": [
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"value": "vLLM is an inference and serving engine for large language models (LLMs). Starting in version 0.10.1 and prior to version 0.18.0, two model implementation files hardcode `trust_remote_code=True` when loading sub-components, bypassing the user's explicit `--trust-remote-code=False` security opt-out. This enables remote code execution via malicious model repositories even when the user has explicitly disabled remote code trust. Version 0.18.0 patches the issue."
},
{
"lang": "es",
"value": "vLLM es un motor de inferencia y servicio para modelos de lenguaje grandes (LLM). A partir de la versión 0.10.1 y antes de la versión 0.18.0, dos archivos de implementación de modelos codifican de forma rígida 'trust_remote_code=True' al cargar subcomponentes, eludiendo la exclusión voluntaria de seguridad explícita del usuario '--trust-remote-code=False'. Esto permite la ejecución remota de código a través de repositorios de modelos maliciosos incluso cuando el usuario ha deshabilitado explícitamente la confianza en el código remoto. La versión 0.18.0 corrige el problema."
}
],
"lastModified": "2026-07-21T12:17:51.353",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2130385B-68E6-4854-AC42-0CBA1F30B487",
"versionEndExcluding": "0.18.0",
"versionStartIncluding": "0.10.1"
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"operator": "OR"
}
]
}
],
"sourceIdentifier": "security-advisories@github.com"
}