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CVE-2025-41258— LibreChat RAG API Authentication Bypass

Quick assessment

Affected
danny-avila LibreChat
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibreChat是LibreChat开源的一个免费、高度可定制的统一 AI 对话平台，能够在一个界面中聚合并运行来自任意厂商的大模型。 LibreChat 0.8.1-rc2版本存在安全漏洞，该漏洞源于用户会话机制和RAG API使用相同的JWT密钥，可能破坏RAG API的服务级身份验证。

CVSS 8.0 · High EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing
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I. Basic Information for CVE-2025-41258

Vulnerability Information
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Vulnerability Title
LibreChat RAG API Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
LibreChat version 0.8.1-rc2 uses the same JWT secret for the user session mechanism and RAG API which compromises the service-level authentication of the RAG API.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
LibreChat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreChat是LibreChat开源的一个免费、高度可定制的统一 AI 对话平台，能够在一个界面中聚合并运行来自任意厂商的大模型。 LibreChat 0.8.1-rc2版本存在安全漏洞，该漏洞源于用户会话机制和RAG API使用相同的JWT密钥，可能破坏RAG API的服务级身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
danny-avila LibreChat 0.8.1-rc2 -

II. Public POCs for CVE-2025-41258

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6625 chars
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In-depth vulnerability mechanism
Trigger conditions & impact
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POC zip download
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III. Intelligence Information for CVE-2025-41258

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Vendor Advisories for CVE-2025-41258 (1)

Other References for CVE-2025-41258 (1)

IV. Related Vulnerabilities

Same product: LibreChat
Same vendor: danny-avila
Same weakness: CWE-284

V. Comments for CVE-2025-41258

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