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CVE-2025-27518— Cognita CORS misconfiguration in backend API server

Quick assessment

Affected
truefoundry cognita
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.

Cognita是TrueFoundry开源的一个用于构建 TrueFoundry 生产模块化开源应用程序的 RAG 框架。 Cognita存在跨站脚本漏洞，该漏洞源于不安全的CORS配置。

AI Predicted 5.3 Difficulty: Easy EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-27518

Vulnerability Information
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Vulnerability Title
Cognita CORS misconfiguration in backend API server
Source: CVE Program / CVE List V5
Vulnerability Description
Cognita is a RAG (Retrieval Augmented Generation) Framework for building modular, open source applications for production by TrueFoundry. An insecure CORS configuration in the Cognita backend server allows arbitrary websites to send cross site requests to the application. This vulnerability is fixed in commit 75079c3d3cf376381489b9a82ee46c69024e1a15.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
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
Cognita 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cognita是TrueFoundry开源的一个用于构建 TrueFoundry 生产模块化开源应用程序的 RAG 框架。 Cognita存在跨站脚本漏洞，该漏洞源于不安全的CORS配置。
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
truefoundry cognita < 75079c3d3cf376381489b9a82ee46c69024e1a15 -

II. Public POCs for CVE-2025-27518

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III. Intelligence Information for CVE-2025-27518

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Patches & Fixes for CVE-2025-27518 (2)

Vendor Advisories for CVE-2025-27518 (1)

IV. Related Vulnerabilities

Same product: cognita
Same vendor: truefoundry
Same weakness: CWE-79

V. Comments for CVE-2025-27518

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