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I. Basic Information for CVE-2026-27169
Vulnerability Information

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Vulnerability Title
OpenSift: Persistent XSS Chat Tool Rendering
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. Versions 1.1.2-alpha and below render untrusted user/model content in chat tool UI surfaces using unsafe HTML interpolation patterns, leading to XSS. Stored content can execute JavaScript when later viewed in authenticated sessions. An attacker who can influence stored study/quiz/flashcard content could trigger script execution in a victim’s browser, potentially performing actions as that user in the local app session. This issue has been fixed in version 1.1.3-alpha.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
OpenSift 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSift是OpenSift开源的一款人工智能学习助手。 OpenSift 1.1.2-alpha及之前版本存在安全漏洞,该漏洞源于在聊天工具UI界面中使用不安全的HTML插值模式渲染不受信任的用户或模型内容,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
VendorProductAffected VersionsCPESubscribe
OpenSiftOpenSift < 1.1.3-alpha -
II. Public POCs for CVE-2026-27169
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
opencode/nemotron-3-super-free · 5680 chars
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III. Intelligence Information for CVE-2026-27169
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IV. Related Vulnerabilities
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