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I. Basic Information for CVE-2026-33053
Vulnerability Information

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Vulnerability Title
Langflow has Missing Ownership Verification in API Key Deletion (IDOR)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the delete_api_key_route() endpoint accepts an api_key_id path parameter and deletes it with only a generic authentication check (get_current_active_user dependency). However, the delete_api_key() CRUD function does NOT verify that the API key belongs to the current user before deletion.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
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 1.9.0之前版本存在安全漏洞,该漏洞源于delete_api_key_route端点未验证API密钥归属,可能导致任意API密钥删除。
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
langflow-ailangflow < 1.9.0 -
II. Public POCs for CVE-2026-33053
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III. Intelligence Information for CVE-2026-33053
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IV. Related Vulnerabilities
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