CVE-2026-55447 Langflow: BaseFileComponent-based nodes arbitrary file read with RCE exploit

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, by controlling a files that are digested into the RAG, an attacker can direct the node to read any file on the file-system by absolute path. All components based on BaseFileComponent are vulnerable to t...

CVE-2026-55447

Langflow’s BaseFileComponent family (including Read File, DoclingInlineComponent, DoclingServe, DoclingRemoteComponent, NvidiaIngestComponent, VideoFileComponent, UnstructuredComponent) is affected by CVE-2026-55447. The underlying issue is in base_file.py: _unpack_bundle TAR extraction does not ...

CVE-2026-55447 Langflow: BaseFileComponent-based nodes arbitrary file read with RCE exploit

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, by controlling a files that are digested into the RAG, an attacker can direct the node to read any file on the file-system by absolute path. All components based on BaseFileComponent are vulnerable to t...

CVE-2026-55450

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, unauthenticated users can upload any amount of data to the server without any limitations. No need for any prior knowledge, only network access to Langflow. This can lead to space exhaustion on the...

CVE-2026-55450

Langflow prior to 1.9.1 allows unauthenticated uploads via the /upload/{flow_id} endpoint, enabling unlimited data transfer, which can cause server disk-space exhaustion (DoS). The response also leaks the absolute path of the uploaded file, an information leak that could aid further attacks. The ...

CVE-2026-55450 Langflow: Unauthenticated file upload leads to DoS (space exhaustion) and information leak

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, unauthenticated users can upload any amount of data to the server without any limitations. No need for any prior knowledge, only network access to Langflow. This can lead to space exhaustion on the...

Security Bulletin: SSRF via HTTP Redirect Following in Langflow API Request Component

Summary Langflow OSS contains SSRF vulnerability in API Request component allowing authenticated flow authors to read localhost/private HTTP services via redirect following. APIRequestComponent.makeapirequest validates only initial URL with validateandresolveurl and pins DNS for initial hostname,...

Security Bulletin: DNS Rebinding TOCTOU Bypass of SSRF Protection in Langflow OSS URL Component

Summary Langflow OSS contains DNS rebinding TOCTOU vulnerability bypassing SSRF protection. URL component validates URLs with validateurlforssrf but fetches via RecursiveUrlLoader performing independent DNS resolution, creating exploitable TOCTOU window. Maintainers fixed identical issue in...

Security Bulletin: Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows

Summary Langflow OSS contains unauthenticated server-side RCE via PythonCodeStructuredTool executing attacker-controlled Python through exec at flow-build time. Sink in execself.toolcode, globals, localnamespace where toolcode is attacker-controlled template field. Two paths: A Authenticated POST...

CVE-2026-7664

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint...

CVE-2026-7664

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint...

CVE-2026-10561

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise...

CVE-2026-10561

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise...

CVE-2026-7664

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint...

CVE-2026-7664 Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint...

EUVD-2026-38281

IBM Langflow OSS 1.0.0 through 1.8.4 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint...

CVE-2026-7664

Summary: IBM Langflow OSS versions 1.0.0–1.8.4 are affected by an unauthenticated access issue due to improper authorization enforcement on the Streamable MCP transport endpoint, potentially allowing access to protected MCP project resources and execution of MCP operations. Affected products/vers...

EUVD-2026-38245

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise...

CVE-2026-10561

Affected product: Langflow OSS (1.0.0–1.9.3). Vulnerability: Unauthenticated remote code execution via improper isolation of Python execution in the PythonREPLComponent, combined with an authentication bypass. CPython’s exec() uses a globals dict without correctly restricting builtins, allowing a...

CVE-2026-10561 Unauthenticated Remote Code Execution in Langflow OSS PythonREPLComponent via Builtins Injection

IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise...