CVE-2026-54024: LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the fix for CVE-2024-111
Summary
LibreChat is a ChatGPT-like application that works with multiple AI providers. Before version 0.8.4-rc1, a file upload endpoint called POST /api/convos/import didn't have proper file size restrictions, allowing logged-in users to upload very large files that could fill up a server's storage and memory. A previous security fix added size limits to other file uploads but missed this endpoint.
Solution / Mitigation
Upgrade to LibreChat version 0.8.4-rc1 or later, which fixes this vulnerability.
Vulnerability Details
6.5(medium)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
network
low
low
none
June 25, 2026
Classification
Affected Vendors
Related Issues
CVE-2026-34371: LibreChat is a ChatGPT clone with additional features. Prior to 0.8.4, LibreChat trusts the name field returned by the e
CVE-2024-27444: langchain_experimental (aka LangChain Experimental) in LangChain before 0.1.8 allows an attacker to bypass the CVE-2023-
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-54024
First tracked: June 25, 2026 at 02:11 PM
Classified by LLM (prompt v3) · confidence: 85%