CVE-2025-7105— Denial of Service via JavaScript Memory Overflow in danny-avila/librechat
Quick assessment
Affected
danny-avila danny-avila/librechat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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存在资源管理错误漏洞，该漏洞源于/api/convos/fork中无限制的Fork函数可能被滥用以快速分叉大量内容，当内容包含具有大量节点的Mermaid图时，可能引发拒绝服务。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-7105
Vulnerability Information
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Vulnerability Title
Denial of Service via JavaScript Memory Overflow in danny-avila/librechat
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in danny-avila/librechat allows attackers to exploit the unrestricted Fork Function in `/api/convos/fork` to fork numerous contents rapidly. If the forked content includes a Mermaid graph with a large number of nodes, it can lead to a JavaScript heap out of memory error upon service restart, causing a denial of service. This issue affects the latest version of the product.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
LibreChat 资源管理错误漏洞
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存在资源管理错误漏洞，该漏洞源于/api/convos/fork中无限制的Fork函数可能被滥用以快速分叉大量内容，当内容包含具有大量节点的Mermaid图时，可能引发拒绝服务。
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 | danny-avila/librechat | unspecified ~ v0.7.9 | - |
|
II. Public POCs for CVE-2025-7105
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-7105 (1)
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V. Comments for CVE-2025-7105
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