PT-2026-68304

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description An authenticated attacker can execute unintended code during Agentic Assistant validation because the application improperly handles LLM-generated components. The system executes Pytho...

PT-2026-68227

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Improper validation of configuration parameters allows a remote attacker to execute arbitrary code. Recommendations Update IBM Langflow OSS to a version later than 1.10.3...

PT-2026-68291

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description An authenticated attacker can perform a Path Traversal attack via the Knowledge Bases API endpoint POST /api/v1/knowledge bases. This issue arises because the system uses user-supplied...

PT-2026-68259

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Insufficient ownership validation in the deprecated 'POST /api/v1/build/flow id/vertices' endpoint allows an authenticated user to inject arbitrary graph data into a shared cache for a...

PT-2026-68294

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Improper control of user input code allows a remote attacker to inject and execute arbitrary code on the system. Recommendations Update IBM Langflow OSS to a version later than 1.10.3...

PT-2026-68257

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description A remote authenticated attacker can execute arbitrary commands due to improper neutralization of special elements used in an OS command. This issue occurs when the application fails to...

PT-2026-68292

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description A remote attacker can perform directory traversal on the system. By sending a specially crafted URL request containing dot-dot-slash /../ sequences, an attacker can view arbitrary file...

PT-2026-68299

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Remote authenticated attackers can execute arbitrary code due to improper validation of Python code during AST-based security scanning. AST Abstract Syntax Tree is a tree representatio...

PT-2026-68298

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Improper validation of module imports allows a remote authenticated attacker to execute arbitrary code. Recommendations At the moment, there is no information about a newer version tha...

PT-2026-68258

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Authenticated users can exploit a built-in component to read arbitrary server environment variables. This allows the exposure of sensitive secrets, bypassing security controls designed...

PT-2026-68225

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description Remote authenticated attackers can execute arbitrary commands due to improper validation of the command field within MCP server configurations. Recommendations Update IBM Langflow OSS ...

CVE-2026-10128: Exposure of Sensitive Information to an Unauthorized Actor

IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components...

CVE-2026-17625: Improper Neutralization of Special Elements used in an OS Command

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...

CVE-2026-9201: Inadequate Encryption Strength

IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute arbitrary code due to a cryptographic weakness in the custom component validation mechanism. When the optional hardening mode that restricts execution to trusted component templates is enabled, the application...

PT-2026-68296

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.3 Description An authorization bypass exists in the MemoryComponent that allows authenticated users to access the chat history of other users through session id collision. The retrieve messages and...

CVE-2026-17624: Improper Control of Generation of Code

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 code due to improper validation of module imports...

CVE-2026-8182: Improper Control of Generation of Code

IBM Langflow OSS 1.0.0 through 1.10.3 installations allow anyone on the internet to execute arbitrary code on the server without any credentials via 2 HTTP requests...

CVE-2026-9081: Server-Side Request Forgery (SSRF)

IBM Langflow OSS 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 contains a Server-Side Request Forgery SSRF vulnerability in the validatemodelproviderkey function for the Ollama provider. The function accepts a user-supplied OLLAMABASEURL parameter and passes it directly to requests.get without...

CVE-2026-9196: Improper Control of Generation of Code

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-2026-7658: Improper Limitation of a Pathname to a Restricted Directory

IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks. This enables multiple severe impacts, including arbitrary directory deletion, cross-tenant data destruction, and JWT signing ke...