CVE-2026-48746

Published June 22nd, 2026

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CVSS v3

9.1

CRITICAL

CVSS v2

N/A

Affected

PROJECT

Description

vLLM is an inference and serving engine for large language models (LLMs). From 0.3.0 until 0.22.0, a vulnerability in ASGI web servers and starlette's trust on those web servers enables an authentication bypass of the OpenAI API AuthenticationMiddleware. It allows to use the API without providing the configured VLLM_API_KEY or --api-key. This vulnerability is fixed in 0.22.0.

vllm-project/vllm

A high-throughput and memory-efficient inference and serving engine for LLMs

GitHub

84.4K