CVE-2025-3248

9.8

CRITICAL

Langflow Missing Authentication Vulnerability - [Actively Exploited]

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.

INFO

Published Date :

April 7, 2025, 3:15 p.m.

Last Modified :

May 7, 2025, 4:24 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9

CISA Notification

CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Due Date: May 26, 2025 | 6 days left

Alert Date: May 05, 2025 | 14 days ago

Description :

Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

This vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see: https://github.com/advisories/GHSA-c995-4fw3-j39m ; https://nvd.nist.gov/vuln/detail/CVE-2025-3248

Public PoC/Exploit Available at Github

CVE-2025-3248 has a 17 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2025-3248 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product	Action
1	Langflow	langflow

: Total Affected Vendor : 1 | Products : 1

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-3248.

URL	Resource
https://github.com/langflow-ai/langflow/pull/6911	Patch
https://github.com/langflow-ai/langflow/releases/tag/1.3.0	Release Notes
https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/	Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

vigilante-1337/CVE-2025-3248

CVE-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.

Python

Updated: 6 days, 4 hours ago

0 stars 0 fork 0 watcher

Born at : May 13, 2025, 4:08 p.m. This repo has been linked 1 different CVEs too.

PuddinCat/GithubRepoSpider

监控Github最新网络安全相关的仓库...

cve cybersecurity github spider

Shell Python Nix

Updated: 4 days, 20 hours ago

0 stars 1 fork 1 watcher

Born at : May 9, 2025, 2:29 p.m. This repo has been linked 28 different CVEs too.

Praison001/CVE-2025-3248

Scanner and exploit for CVE-2025-3248

Python

Updated: 1 week, 5 days ago

1 stars 0 fork 0 watcher

Born at : May 5, 2025, 6:10 p.m. This repo has been linked 1 different CVEs too.

seokjea/whs

None

Dockerfile

Updated: 3 weeks, 1 day ago

0 stars 0 fork 0 watcher

Born at : April 27, 2025, 12:17 p.m. This repo has been linked 1 different CVEs too.

minxxcozy/CVE-2025-3248-langflow-RCE

CVE-2025-3248 Langflow 사전 인증 원격 코드 실행 취약점 PoC

Updated: 3 weeks ago

1 stars 0 fork 0 watcher

Born at : April 27, 2025, 4:41 a.m. This repo has been linked 1 different CVEs too.

verylazytech/CVE-2025-3248

None

cve-2025-3248 langflow rce

Python

Updated: 1 month ago

3 stars 0 fork 0 watcher

Born at : April 16, 2025, 2 p.m. This repo has been linked 1 different CVEs too.

PuddinCat/CVE-2025-3248-POC

POC of CVE-2025-3248, RCE of LangFlow

exp langflow poc cve-2025-3248

Python

Updated: 1 month, 1 week ago

1 stars 0 fork 0 watcher

Born at : April 10, 2025, 2:04 p.m. This repo has been linked 1 different CVEs too.

xuemian168/CVE-2025-3248

A 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。

ai langflow

Python

Updated: 2 weeks, 5 days ago

6 stars 0 fork 0 watcher

Born at : April 10, 2025, 11:45 a.m. This repo has been linked 1 different CVEs too.

eeeeeeeeee-code/POC

备份的漏洞库，3月开始我们来维护

Updated: 1 week, 5 days ago

995 stars 307 fork 307 watcher

Born at : March 4, 2025, 2:54 p.m. This repo has been linked 213 different CVEs too.

J1ezds/Vulnerability-Wiki-page

这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目

HTML

Updated: 3 weeks, 6 days ago

3 stars 0 fork 0 watcher

Born at : Sept. 20, 2024, 3:27 a.m. This repo has been linked 239 different CVEs too.

peiqiF4ck/WebFrameworkTools-5.1-main

本软件首先集成危害性较大框架和部分主流cms的rce(无需登录,或者登录绕过执行rce)和反序列化(利用链简单)。傻瓜式导入url即可实现批量getshell。批量自动化测试。例如:Thinkphp,Struts2,weblogic。出现的最新漏洞进行实时跟踪并且更新例如:log4jRCE,向日葵禅道RCE 瑞友天翼应用虚拟化系统sql注入导致RCE大华智慧园区上传,金蝶云星空漏洞等等.

cve-2022-1388 cve-2022-22947 cve-2022-22954 cve-2022-22963 cve-2022-22965 cve-2022-23131 cve-2022-29464 cve-2022-30525 qvd-2023-6271 cve-2023-28432 qvd-2023-8621 cve-2023-34960 cve-2023-27372 cve-2024-25600 qvd-2024-11354 cve-2024-5084 cve-2024-36401 qvd-2024-44346 cve-2024-9047 cve-2025-3248

C++ C#

Updated: 2 weeks, 5 days ago

261 stars 11 fork 11 watcher

Born at : Jan. 8, 2023, 5:21 a.m. This repo has been linked 43 different CVEs too.

Threekiii/CVE

一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.

Updated: 1 week, 5 days ago

118 stars 18 fork 18 watcher

Born at : Jan. 5, 2023, 2:19 a.m. This repo has been linked 165 different CVEs too.

Threekiii/Awesome-POC

一个漏洞 PoC 知识库。A knowledge base for vulnerability PoCs(Proof of Concept), with 1k+ vulnerabilities.

poc

Dockerfile

Updated: 1 week, 5 days ago

4147 stars 841 fork 841 watcher

Born at : Feb. 20, 2022, 6:43 a.m. This repo has been linked 447 different CVEs too.

nvn1729/advisories

None

Updated: 1 month, 1 week ago

0 stars 0 fork 0 watcher

Born at : Nov. 27, 2020, 8:35 p.m. This repo has been linked 29 different CVEs too.

nomi-sec/PoC-in-GitHub

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 3 weeks, 1 day ago

6873 stars 1158 fork 1158 watcher

Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 848 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-3248 vulnerability anywhere in the article.

Hackread - Latest Cybersecurity, Hacking News, Tech, AI & Crypto

Critical Langflow Vulnerability (CVE-2025-3248) Actively Exploited, Warns CISA

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Dark Reading

'Easily Exploitable' Langflow Vulnerability Requires Immediate Patching

Source: Alexey Kotelnikov via Alamy Stock PhotoNEWS BRIEFA critical flaw found in the open source Langflow platform was added to the US Cybersecurity and Infrastructure Security Agency’s (CISA's) Know ...