CVE-2026-9196

IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute unintended code during Agentic Assistant validation due to improper handling of LLM‑generated components. The application executes model‑generated Python code in the backend during validation prior to user...

CVE-2026-9201

IBM Langflow OSS 1.0.0–1.10.3 is affected by an authenticated arbitrary code execution vulnerability in the custom component validation mechanism. The hardening mode that restricts execution to trusted templates validates component code using a truncated SHA-256 digest, causing only a portion of ...

CVE-2026-8183

Langflow OSS is affected (versions 1.0.0–1.10.3) by a vulnerability described as remote directory traversal via crafted URLs containing dot-dot sequences ( /.. / ), enabling access to arbitrary files on the system. The Connected CVE entry corroborates the affected versions and the traversal vecto...

CVE-2026-8183

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

CVE-2026-9130 affects IBM Langflow OSS versions 1.0.0–1.10.3. The root cause is an authorization bypass in the MemoryComponent where session_id is used to filter messages without validating flow_id or user_id ownership, enabling cross‑user information disclosure. This impacts multi‑user deploymen...

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-2026-9205

IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensurefernetkey function...

Security Bulletin: Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling

Summary Langflow OSS supports Agentic Assistant generated components and user-supplied custom Python components for workflow development. Weaknesses in code security scanning, runtime validation, custom component execution paths, and trusted code enforcement could allow authenticated users to...

EUVD-2026-53520

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, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special element...

EUVD-2026-53477

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...

EUVD-2026-53465

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol MCP composer endpoint when mcpcomposerenabled=true default and projects are configured with authtype=oauth...

CVE-2026-13446 Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

IBM Langflow OSS 1.0.0 through 1.10.1 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data...

CVE-2026-7754

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow 1.9.0 could allow server-side request forgery SSRF due to insecure default configuration and incomplete enforcement of the SSRF protection mechanism...

EUVD-2026-45306

IBM Langflow OSS 1.0.0 through 1.10.1 Langflow could allow an authenticated user to execute arbitrary commands with elevated privileges on the system due to improper validation of user supplied input in the Python Interpreter component...

CVE-2026-7755

The IBM Security Bulletin confirms CVE-2026-7755 affects Langflow OSS versions 1.0.0–1.10.0, where the File Manager API may bypass MCP server configuration validation during file uploads. A maliciously crafted MCP configuration file (e.g., mcp_servers .json) could be uploaded via upload_user_file...

CVE-2026-8476

Langflow OSS versions 1.0.0–1.10.0 are impacted by a remote code execution vulnerability in the disk-based cache. The AsyncDiskCache deserializes cached items with unsafe pickle.loads() without validation, allowing arbitrary code execution when an attacker can influence cached data (e.g., through...

CVE-2026-8481 Remote Code Execution via Code Validation Endpoint

IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the code validation API endpoint. The POST /api/v1/validate/code endpoint accepts user-supplied Python code and executes it directly using Python's built-in exec function without sandboxing, input...

CVE-2026-8859 Path Traversal in APIRequest Component via Content-Disposition Header

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files to unintended locations due to improper input validation in the APIRequest component. A path traversal vulnerability exists when the "Save to File" feature is enabled, where filenames extracted from HT...

CVE-2026-9198

IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/autologin mints SUPERUSER tokens to any network caller with /api/v1/validate/code executes user code via exec to achieve full RCE on default Langflow deployments...

PT-2026-60865

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.0 Description An issue exists in the code validation API endpoint that allows authenticated users to execute arbitrary system commands with the full privileges of the server process. The endpoint...