CVE-2026-33017

CVE-2026-33017 — Langflow Unauthenticated Remote Code Execution Author: dynamo2k1 Severity: Critical CVSSv3: 9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Overview CVE-2026-33017 is a critical unauthenticated Remote Code Execution vulnerability in Langflow, an open-source platform for visually building...

CVE-2026-0770-PoC

CVE-2026-0770 - Langflow Remote Code Execution Summary Langflow contains a critical remote code execution vulnerability in the validatecode function located in src/lfx/src/lfx/custom/validate.py. The function uses exec to execute user-supplied Python code without sandboxing, allowing arbitrary...

langflow-CVE-2026-17633-PoC

CVE-2026-17633 & CVE-2026-17632 — IBM Langflow OSS RCE For educational purposes only. Only use against systems you own or have explicit written authorization to test. 1. Introduction What is Langflow Langflow is an open-source low-code platform for building LLM-powered applications and AI agent...

CVE-2026-76059

IBM Langflow OSS 1.0.0 through 1.11.5 An attacker who could submit custom component source code could bypass the static security scanner by crafting an annotated class-body assignment that resolved to a dangerous callable through alias tracking; the resolved value was never checked against the...

CVE-2026-76059 Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

IBM Langflow OSS 1.0.0 through 1.11.5 An attacker who could submit custom component source code could bypass the static security scanner by crafting an annotated class-body assignment that resolved to a dangerous callable through alias tracking; the resolved value was never checked against the...

PT-2026-89610

🚨 CVE-2026-76059 IBM Langflow OSS 1.0.0 through 1.11.5 An attacker who could submit custom component source code could bypass the static security scanner by crafting an annotated class-body assignment that resolved to a dangerous callable through alias tracking; the resolved value was never check...

CVE-2026-19295 Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement

IBM Langflow OSS 1.0.0 through 1.11.1 allows an authenticated attacker to execute arbitrary operating system commands in the server process by saving a flow with a crafted type field value and triggering a build of a wrapper flow that references it. This allowed privilege escalation from...

CVE-2026-9196

IBM Langflow OSS 1.0.0–1.10.3 is affected by an authenticated code-execution risk during Agentic Assistant validation caused by improper handling of LLM-generated components. The backend may execute model-generated Python code in the validation step before user approval, enabling an attacker to t...

CVE-2026-8182

CVE-2026-8182 affects IBM Langflow OSS v1.0.0–1.10.3. The described vulnerability enables an unauthenticated attacker to execute arbitrary code on the server, via two HTTP requests. The available sources corroborate that this is a client-accessible server-side code execution issue, but no explici...

CVE-2026-8478 Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to inject arbitrary code on the system, due to the improper control of user input code...

CVE-2026-8183 Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot "...

CVE-2026-9130 Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authorization bypass vulnerability in the MemoryComponent that allows authenticated users to access chat history of other users via sessionid collision. The MemoryComponent.retrievemessages and storemessage methods filter on sessionid without...

CVE-2026-7869

CVE-2026-7869 : IBM Langflow OSS (versions 1.0.0 through 1.10.3) is affected by a path traversal in the Knowledge Bases API via POST /api/v1/knowledge_bases. User-supplied knowledge base names are used directly to create file paths without proper sanitization, allowing an authenticated attacker t...

VulnCheck KEV: CVE-2024-37014

Langflow through 0.6.19 allows remote code execution if untrusted users are able to reach the "POST /api/v1/customcomponent" endpoint and provide a Python script...

Exploit for Code Injection in Langflow

CVE-2026-33017 — Langflow Unauthenticated Remote Code Executio...

📄 Langflow 1.8.1 Remote Code Execution

This Python script is a multi-threaded tool targeting a suspected vulnerability in Langflow versions 1.8.1 and below that allows unauthenticated remote code execution through unsafe execution of CustomComponent code during flow compilation...

Malicious code in sample-custom-component (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ade5f035c4d3f9fe74cfc0626c8ac011eeea6e88040376a03abee9cdf05290b7 The package sample-custom-component was found to contain malicious code. Source: ghsa-malware...

MAL-2026-1032 Malicious code in sample-custom-component (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ade5f035c4d3f9fe74cfc0626c8ac011eeea6e88040376a03abee9cdf05290b7 The package sample-custom-component was found to contain malicious code. Source: ghsa-malware...

CVE-2026-0769

Langflow evalcustomcomponentcode Eval Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the...

Eval Injection

Overview langflow is an A Python package with a built-in web application Affected versions of this package are vulnerable to Eval Injection via the evalcustomcomponentcode function. An attacker can execute arbitrary code by supplying a crafted string that is evaluated without proper validation...