Bug 2491581 (CVE-2026-48746) - CVE-2026-48746 vllm: starlette: vLLM: Critical authentication bypass allows unauthorized API access
Summary: CVE-2026-48746 vllm: starlette: vLLM: Critical authentication bypass allows u...
Keywords:
Status: NEW
Alias: CVE-2026-48746
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2492122
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-22 23:01 UTC by OSIDB Bzimport
Modified: 2026-06-24 08:41 UTC (History)
58 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-06-22 23:01:20 UTC 
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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