CVE-2026-25802— New API has Potential XSS in its MarkdownRenderer component
Quick assessment
Affected
QuantumNous new-api
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.
New API是QuantumNous开源的一个接口软件。 New API 0.10.8-alpha.9之前版本存在跨站脚本漏洞，该漏洞源于MarkdownRenderer.jsx组件存在潜在不安全操作，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 2 AI
T1189 · Drive-by Compromise T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-25802
Vulnerability Information
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Vulnerability Title
New API has Potential XSS in its MarkdownRenderer component
Source: CVE Program / CVE List V5
Vulnerability Description
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to version 0.10.8-alpha.9, a potential unsafe operation occurs in component `MarkdownRenderer.jsx`, allowing for Cross-Site Scripting(XSS) when the model outputs items containing `<script>` tag. Version 0.10.8-alpha.9 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
New API 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
New API是QuantumNous开源的一个接口软件。 New API 0.10.8-alpha.9之前版本存在跨站脚本漏洞，该漏洞源于MarkdownRenderer.jsx组件存在潜在不安全操作，可能导致跨站脚本攻击。
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 |
|---|---|---|---|---|
| QuantumNous | new-api | < 0.10.8-alpha.9 | - |
|
II. Public POCs for CVE-2026-25802
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-25802
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