CVE-2026-49468

LiteLLM: Authentication Bypass via Host Header Injection

CVSS 9.5 CRITICALEPSS 0.5%CWE-290

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, This vulnerability is fixed in 1.84.0.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Affected products

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References