CVE-2026-6598— langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in file
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I. Basic Information for CVE-2026-6598
Vulnerability Information
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Vulnerability Title
langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in file
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in langflow-ai langflow up to 1.8.3. The affected element is the function create_project/encrypt_auth_settings of the file src/backend/base/Langflow/api/v1/projects.py of the component Project Creation Endpoint. Such manipulation of the argument auth_settings leads to cleartext storage in a file or on disk. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件或磁盘上的明文存储
Source: NVD (National Vulnerability Database)
Vulnerability Title
Langflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Langflow是Langflow开源的一个用于构建多代理和 RAG 应用程序的可视化框架。 Langflow 1.8.3及之前版本存在安全漏洞，该漏洞源于对文件src/backend/base/Langflow/api/v1/projects.py中函数create_project/encrypt_auth_settings的错误操作，可能导致明文存储。
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 |
|---|---|---|---|---|
| langflow-ai | langflow | 1.8.0 | cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-6598
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Same Patch Batch · langflow-ai · 2026-04-20 · 5 CVEs total
| CVE-2026-6596 | 7.3 HIGH | langflow-ai langflow API Endpoint endpoints.py create_upload_file unrestricted upload |
| CVE-2026-6599 | 6.3 MEDIUM | langflow-ai langflow Model Context Protocol Configuration API mcp_projects.py install_mcp_ |
| CVE-2026-6600 | 3.5 LOW | langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site script |
| CVE-2026-6597 | 2.7 LOW | langflow-ai langflow Flow Using API core.py has_api_terms credentials storage |
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Same vendor: langflow-ai
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langflow-ai langflow Full Builtins code_parser.py CodeParser - CVE-2026-6600
langflow-ai langflow Frontend React Component Rendering edit - CVE-2026-6599
langflow-ai langflow Model Context Protocol Configuration AP - CVE-2026-6597
langflow-ai langflow Flow Using API core.py has_api_terms cr
Same weakness: CWE-313
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V. Comments for CVE-2026-6598
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