CVE-2026-13448

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

EUVD-2026-45308

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

PT-2026-60871

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.1 Description An unauthenticated remote code execution issue exists in the public flow build endpoint '/api/v1/build public tmp/flow id/flow'. The flaw is caused by an incomplete denylist within the...

Exploit for Eval Injection in Langflow

CVE-2026-33017 - Langflow RCE Vulnerability xpl0ited by infr...

Security Bulletin: Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

Summary Langflow provides a visual interface for constructing and executing AI-powered agent workflows, exposing HTTP API endpoints for flow execution, file management, vector store operations, and Model Context Protocol MCP server configuration. An attacker could exploit insufficient validation...

Unauthenticated Remote Code Execution in Langflow via Public Flow Build Endpoint

SummaryThe POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses attacker-controlled flow data containing arbitrary Python code in node definitions instead of the stored flow...

Exploit for Cross-site Scripting in B3Log Siyuan

CVE-2026-33017 — Langflow Unauthenticated RCE Nuclei Template...

📄 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...

Langflow < 1.9.0 RCE (GHSA-vwmf-pq79-vjvx)

The version of Langflow installed on the remote host is prior to 1.9.0. It is, therefore, affected by a remote code execution vulnerability: - The POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is...

Unauthenticated Remote Code Execution In Langflow Via Public Flow Build Endpoint

Summary The "POST /api/v1/buildpublictmp/flowid/flow" endpoint allows building public flows without requiring authentication. When the optional "data" parameter is supplied, the endpoint uses attacker-controlled flow data containing arbitrary Python code in node definitions instead of the stored...

CVE-2026-33017 Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses...

CVE-2026-33017 Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses...

Unauthenticated Remote Code Execution in Langflow via Public Flow Build Endpoint

Summary The POST /api/v1/buildpublictmp/flowid/flow endpoint allows building public flows without requiring authentication. When the optional data parameter is supplied, the endpoint uses attacker-controlled flow data containing arbitrary Python code in node definitions instead of the stored flow...

com.github.mcollovati:quarkus-hilla-commons-deployment (=25.0.0-beta1), com.github.mcollovati:quarkus-hilla-deployment (=25.0.0-beta1) +23 more potentially affected by CVE-2026-2741 via com.vaadin:flow-build-tools (>=25.0.0-rc1 <=25.0.2)

com.vaadin:flow-build-tools MAVEN version =25.0.0-rc1, =25.0.0, =25.0.0, =4.0.0, =25.0.0, =25.0.0, =25.0.0, =25.0.0, =25.0.0, =25.0.0, =25.0.0, =25.0.0, =25.0.14 - com.vaadin:gradle-plugin =25.0.13 and more Source cves: CVE-2026-2741 Source advisory: SNYK:JAVA-COMVAADIN-15518324...

PT-2026-25992

Name of the Vulnerable Software and Affected Versions Langflow versions prior to 1.9.0 Description Langflow contains a flaw in the 'POST /api/v1/build public tmp/flow id/flow' endpoint that allows unauthenticated remote code execution. The endpoint is designed to build public flows without...