cvedb.io
CVE-2025-66451
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2025-12-11T23:15:50.690 · Last modified 2026-06-17T09:56:52.073

Summary

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.

Affected products

librechat — librechat

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.