Security Advisory

CVE-2026-48746

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-22 21:57:28

Last updated 2026-07-22 12:08:43

Assigner GitHub_M

CVSS score 9.1

State PUBLISHED

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.

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