Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-6597— langflow-ai langflow Flow Using API core.py has_api_terms credentials storage

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 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/utils/core.py中函数remove_api_keys/has_api_terms的错误操作，可能导致凭据存储不当。

CVSS 2.7 · Low EPSS 0.32% · P25

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-6597

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
langflow-ai langflow Flow Using API core.py has_api_terms credentials storage
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in langflow-ai langflow up to 1.8.3. Impacted is the function remove_api_keys/has_api_terms of the file src/backend/base/langflow/api/utils/core.py of the component Flow Using API. This manipulation causes unprotected storage of credentials. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
明文存储口令
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 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/utils/core.py中函数remove_api_keys/has_api_terms的错误操作，可能导致凭据存储不当。
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-2026-6597

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-6597

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-6597 (1)

Proof of Concept for CVE-2026-6597 (1)

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-2026-6598 4.3 MEDIUM langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext
CVE-2026-6600 3.5 LOW langflow-ai langflow Frontend React Component Rendering edit-message.tsx cross site script

IV. Related Vulnerabilities

Same product: langflow
Same vendor: langflow-ai
Same weakness: CWE-256

V. Comments for CVE-2026-6597

No comments yet

Leave a comment