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CVE-2026-5025— Langflow - Application Logs Exposed to All Authenticated Users

Quick assessment

Affected
langflow-ai langflow
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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存在安全漏洞，该漏洞源于日志路由器中的端点/logs和/logs-stream仅需基本身份验证而缺少特权检查，可能导致任何经过身份验证的用户读取完整的应用程序日志缓冲区。

CVSS 6.5 · Medium EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-5025

Vulnerability Information
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Vulnerability Title
Langflow - Application Logs Exposed to All Authenticated Users
Source: CVE Program / CVE List V5
Vulnerability Description
The '/logs' and '/logs-stream' endpoints in the log router allow any authenticated user to read the full application log buffer. These endpoints only require basic authentication ('get_current_active_user') without any privilege checks (e.g., 'is_superuser').
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
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存在安全漏洞，该漏洞源于日志路由器中的端点/logs和/logs-stream仅需基本身份验证而缺少特权检查，可能导致任何经过身份验证的用户读取完整的应用程序日志缓冲区。
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 0 -

II. Public POCs for CVE-2026-5025

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III. Intelligence Information for CVE-2026-5025

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Vendor Advisories for CVE-2026-5025 (1)

Same Patch Batch · langflow-ai · 2026-03-27 · 6 CVEs total

CVE-2026-5027 8.8 HIGH Langflow - Path Traversal Arbitrary File Write via upload_user_file
CVE-2026-5022 Langflow - Missing Authorization on download_image Endpoint
CVE-2026-5026 Langflow - Stored XSS via Malicious SVG Upload
CVE-2026-34046 Langflow: Authenticated Users Can Read, Modify, and Delete Any Flow via Missing Ownership
CVE-2026-33873 Langflow has Authenticated Code Execution in Agentic Assistant Validation

IV. Related Vulnerabilities

Same product: langflow
Same vendor: langflow-ai
Same weakness: CWE-862

V. Comments for CVE-2026-5025

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