CVE-2026-9081

IBM Langflow OSS (versions 1.0.0–1.10.3) is affected by an SSRF in the Ollama provider due to validate_model_provider_key() accepting a user-supplied OLLAMA_BASE_URL and passing it directly to requests.get() without validating scheme/host allowlisting or private IP filtering. This can allow an at...

CVE-2026-17630

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to execute arbitrary code due to improper validation of configuration parameters...

CVE-2026-17623

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations...

CVE-2026-17623

Langflow OSS 1.0.0–1.10.3 is affected by CVE-2026-17623: a remote authenticated attacker can execute arbitrary commands due to improper validation of the command field in MCP server configurations. Affected product is Langflow OSS (versions 1.0.0–1.10.3). The root cause is inadequate validation o...

CVE-2026-7646

IBM Langflow OSS 1.0.0 through 1.10.3 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and process environment variables, by sending a crafted MCP resources/read request with a URL-encoded path...

IBM Langflow OSS command injection vulnerability

IBM Langflow OSS is an open-source low-code visualization AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications through drag-and-drop components. Additionally, it supports deep customization using Python to integrate...

IBM Langflow OSS path traversal vulnerability

IBM Langflow OSS is an open-source low-code visual AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications by dragging and dropping components. Additionally, it supports deep customization using Python to integrate wit...

IBM Langflow OSS authorization issue vulnerability (CNVD-2026-31200)

IBM Langflow OSS is an open-source low-code visualization AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications by dragging and dropping components. Additionally, it supports deep customization using Python to...

IBM Langflow OSS code injection vulnerability

IBM Langflow OSS is an open-source low-code visualization AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications by dragging and dropping components. Additionally, it supports deep customization using Python to...

IBM Langflow OSS configuration error vulnerability

IBM Langflow OSS is an open-source low-code visualization AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications by dragging and dropping components. Additionally, it supports deep customization using Python to...

CVE-2026-12940 Langflow is affected by remote code execution due to multiple unauthenticated and insufficiently authorized API endpoints

IBM Langflow OSS 1.0.0 through 1.10.1 are vulnerable to unauthenticated remote code execution via environment variable injection in the MCP Model Context Protocol stdio launcher. The vulnerability exists in src/lfx/src/lfx/base/mcp/util.py where the DANGEROUSENVVARS blocklist fails to include...

IBM Langflow OSS configuration error vulnerability

IBM Langflow OSS is an open-source low-code visualization AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications through drag-and-drop components. Additionally, it supports deep customization using Python to integrate...

Security Bulletin: Unauthenticated File Upload Vulnerability Allows Disk Space Exhaustion and Path Disclosure in Langflow OSS

Summary Unauthenticated users can upload unlimited files to the Langflow OSS server via the deprecated /api/v1/upload/flowid endpoint without authentication or validation, leading to potential disk space exhaustion DoS and information disclosure through absolute file path leakage in API responses...

Security Bulletin: Path Traversal Vulnerability in File Processing Components Allows Unauthorized File System Access and Potential Remote Code Execution

Summary A path traversal vulnerability exists in multiple Langflow OSS file processing components Docling, Docling Serve, Read File, NVIDIA Retriever Extraction, Video File, and Unstructured API that are based on BaseFileComponent. The vulnerability in the unpackbundle function allows attackers t...

IBM Langflow OSS code injection vulnerability (CNVD-2026-31205)

IBM Langflow OSS is an open-source low-code visualization AI workflow building tool developed by IBM. It enables developers to quickly build, deploy, and iterate AI agents and RAG applications by dragging and dropping components. Additionally, it supports deep customization using Python to...

CVE-2026-14499

CVE-2026-14499 affects Langflow OSS 1.0.0–1.10.1. An authenticated user could execute arbitrary commands with elevated privileges due to improper validation of user-supplied input in the Python Interpreter component, resulting in OS command injection (CWE-78). IBM’s bulletin assigns CVSS v3.1 bas...

EUVD-2026-45282

IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user...

CVE-2026-7872 Path Traversal Vulnerability in File Component Leading to Arbitrary File Read and Authentication Bypass

IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user...

CVE-2026-8635

IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to escalate privileges to superuser by directly manipulating the database, execute arbitrary system commands, and achieve full system compromise with Langflow service permissions...

PT-2026-60834

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description Improper authentication and access control in the user registration and account provisioning logic allow unauthenticated attackers to create unlimited user accounts. This occurs when...