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I. Basic Information for CVE-2026-3346
Vulnerability Information
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Vulnerability Title
Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
IBMLangflow Desktop 1.6.0 ~ 1.8.4 cpe:2.3:a:ibm:langflow_desktop:1.6.0:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-3346
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III. Intelligence Information for CVE-2026-3346
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IV. Related Vulnerabilities
Same product: Langflow Desktop
Same vendor: IBM
Same weakness: CWE-89
V. Comments for CVE-2026-3346

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