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CVE-2026-48746

9.1 critical SSVC exploitation: poc Modified
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 9.1 · vllmNVD modified 2026-10-25 23:10

Affected (CPE criteria) 1

  • cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*

References 17