coldbraid

CVE-2026-59822 BerriAI Litellm

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough…

CVSS
8.8 High
EPSS
0.8%
Percentile
58
Published
2026-07-08
Force
9 of 12
Public PoC
1

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

CWE-287CWE-306

On CISA’s exploited list

BerriAI LiteLLM Improper Authentication Vulnerability

Added
2026-09-02
Federal patch deadline
2026-09-16
Ransomware use
not known