Security Advisory

CVE-2025-66451

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-11 22:33:24

Last updated 2025-12-12 19:29:24

Assigner GitHub_M

State PUBLISHED

Description

LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, when creating prompts, JSON requests are sent to define and modify the prompts via PATCH endpoint for prompt groups (/api/prompts/groups/:groupId). However, the request bodies are not sufficiently validated for proper input, enabling users to modify prompts in a way that was not intended as part of the front end system. The patchPromptGroup function passes req.body directly to updatePromptGroup() without filtering sensitive fields. This issue is fixed in version 0.8.1.

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