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I. Basic Information for CVE-2026-3345
Vulnerability Information
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Vulnerability Title
Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
IBMLangflow Desktop 1.8.4 cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-3345
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III. Intelligence Information for CVE-2026-3345
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IV. Related Vulnerabilities
Same product: Langflow Desktop
Same vendor: IBM
Same weakness: CWE-22
V. Comments for CVE-2026-3345

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