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I. Basic Information for CVE-2025-3248
Vulnerability Information

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Vulnerability Title
Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code
Source: NVD (National Vulnerability Database)
Vulnerability Description
Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
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 1.3.0之前版本存在安全漏洞,该漏洞源于/api/v1/validate/code端点存在代码注入漏洞,可能导致远程未经验证的攻击者执行任意代码。
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 0 ~ 1.3.0 -
II. Public POCs for CVE-2025-3248
#POC DescriptionSource LinkShenlong Link
1A vulnerability scanner for CVE-2025-3248 in Langflow applications. 用于扫描 Langflow 应用中 CVE-2025-3248 漏洞的工具。https://github.com/xuemian168/CVE-2025-3248POC Details
2POC of CVE-2025-3248, RCE of LangFlowhttps://github.com/PuddinCat/CVE-2025-3248-POCPOC Details
3Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint.A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-3248.yamlPOC Details
4Nonehttps://github.com/verylazytech/CVE-2025-3248POC Details
5https://github.com/vulhub/vulhub/blob/master/langflow/CVE-2025-3248/README.mdPOC Details
6Nonehttps://github.com/Threekiii/Awesome-POC/blob/master/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E6%BC%8F%E6%B4%9E/Langflow%20code%20API%20%E6%9C%AA%E6%8E%88%E6%9D%83%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2025-3248.mdPOC Details
7Scanner and exploit for CVE-2025-3248https://github.com/Praison001/CVE-2025-3248POC Details
8CVE-2025-3248: A critical flaw has been discovered in Langflow that allows malicious actors to execute arbitrary Python code on the target system. This can lead to full remote code execution without authentication, potentially giving attackers control over the server.https://github.com/vigilante-1337/CVE-2025-3248POC Details
9Perform Remote Code Execution using vulnerable API endpoint.https://github.com/Vip3rLi0n/CVE-2025-3248POC Details
10This Python script exploits CVE-2025-3248 to execute arbitrary commands or spawn a reverse shell on a vulnerable system. Authentication is required to use this exploit.https://github.com/tiemio/RCE-CVE-2025-3248POC Details
11CVE-2025-3248 Langflow RCE Exploithttps://github.com/ynsmroztas/CVE-2025-3248-Langflow-RCEPOC Details
12Nonehttps://github.com/imbas007/CVE-2025-3248POC Details
13Exploit for Langflow AI Remote Code Execution (Unauthenticated)https://github.com/0xgh057r3c0n/CVE-2025-3248POC Details
14CVE-2025-3248 — Langflow RCE Exploithttps://github.com/zapstiko/CVE-2025-3248POC Details
15CVE-2025-3248 – Unauthenticated Remote Code Execution in Langflow via Insecure Python exec Usagehttps://github.com/B1ack4sh/Blackash-CVE-2025-3248POC Details
16Powerful unauthenticated RCE scanner for CVE-2025-3248 affecting Langflow < 1.3.0https://github.com/issamjr/CVE-2025-3248-ScannerPOC Details
17Remote Code Execution Exploit for Langflow (CVE-2025-3248) - [ By S4Tech ]https://github.com/0-d3y/langflow-rce-exploitPOC Details
18CVE-2025-3248https://github.com/dennisec/CVE-2025-3248POC Details
19Mass-CVE-2025-3248https://github.com/dennisec/Mass-CVE-2025-3248POC Details
20Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.https://github.com/ill-deed/Langflow-CVE-2025-3248-Multi-targetPOC Details
21Nonehttps://github.com/r0otk3r/CVE-2025-3248POC Details
22CVE-2025-3248https://github.com/min8282/CVE-2025-3248POC Details
23Langflow Remote Code Executionhttps://github.com/EQSTLab/CVE-2025-3248POC Details
24PoC for achieving RCE in Langflow versions <1.3.0https://github.com/wand3rlust/CVE-2025-3248POC Details
25Nonehttps://github.com/Kiraly07/Demo_CVE-2025-3248POC Details
26Exploit for Langflow AI Remote Code Execution (Unauthenticated)https://github.com/zr1p3r/CVE-2025-3248POC Details
27Langflow 在对用户提交的“验证代码”做 AST 解析和编译时,在未做鉴权与沙箱限制的情况下调用了 Python 的 compile()/exec()(以及在编译阶段会评估函数默认参数与装饰器),攻击者可把恶意载荷放在参数默认值或装饰器里,借此在服务器上下文中执行任意语句(反弹 shell、下载器、横向移动等)https://github.com/bambooqj/cve-2025-3248POC Details
28A comprehensive Python exploitation framework for testing and demonstrating CVE-2025-3248, a critical unauthenticated remote code execution vulnerability in Langflow versions ≤ 1.3.0.https://github.com/drackyjr/cve-2025-3248-exploitPOC Details
29CVE-2025-3248 – Unauthenticated Remote Code Execution in Langflow via Insecure Python exec Usagehttps://github.com/Ashwesker/Blackash-CVE-2025-3248POC Details
30Nonehttps://github.com/b0ySie7e/CVE-2025-3248-POCPOC Details
31CVE-2025-3248 – Unauthenticated Remote Code Execution in Langflow via Insecure Python exec Usagehttps://github.com/Ashwesker/Ashwesker-CVE-2025-3248POC Details
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III. Intelligence Information for CVE-2025-3248
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IV. Related Vulnerabilities
V. Comments for CVE-2025-3248
Anonymous User
2026-01-15 06:08:54

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