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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-5022— Langflow - Missing Authorization on download_image Endpoint

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，该漏洞源于端点/api/v1/files/images/{flow_id}/{file_name}缺少身份验证和授权检查，可能导致未经验证的用户通过猜测流程ID和文件名下载任意流程的图像。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.34% · P26
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-5022

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 - Missing Authorization on download_image Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The '/api/v1/files/images/{flow_id}/{file_name}' endpoint does not enforce any authentication or authorization checks, allowing any unauthenticated user to download images belonging to any flow by knowing (or guessing) the flow ID and file name.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA: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，该漏洞源于端点/api/v1/files/images/{flow_id}/{file_name}缺少身份验证和授权检查，可能导致未经验证的用户通过猜测流程ID和文件名下载任意流程的图像。
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-2026-5022

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-5022

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-5022 (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-2026-5025 6.5 MEDIUM Langflow - Application Logs Exposed to All Authenticated Users
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-2026-5022

No comments yet

Leave a comment