Security Advisory

CVE-2026-31950

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-27 19:25:25

Last updated 2026-03-27 19:55:24

Assigner GitHub_M

State PUBLISHED

Description

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc2 through 0.8.2-rc3, the SSE streaming endpoint `/api/agents/chat/stream/:streamId` does not verify that the requesting user owns the stream. Any authenticated user who obtains or guesses a valid stream ID can subscribe and read another users real-time chat content, including messages, AI responses, and tool invocations. Version 0.8.2 patches the issue.

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