EUVD-2026-67956

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint...

CVE-2026-19286

IBM Langflow OSS versions 1.0.0 through 1.11.1 are vulnerable to arbitrary code execution via the A2A (Agent-to-Agent) public endpoint . The root cause is that the A2A public execution path does not invoke the validate_public_flow_no_code_execution guard used by other unauthenticated public surfa...

Security Bulletin: Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement

Summary Langflow contains multiple vulnerabilities that allow arbitrary Python and operating system command execution on the server. The PythonFunction component lacks the runtime code-execution gate applied to other code-execution components, enabling an authenticated user to bypass the...

CVE-2026-47391 PraisonAI's unauthenticated A2A official example can reach real LLM-driven `eval()` tool execution

PraisonAI is a multi-agent teams system. Prior to version 4.6.40, PraisonAI's first-party A2A server example exposes an unauthenticated A2A JSON-RPC endpoint and registers a calculateexpression tool implemented with Python eval. The example also binds to 0.0.0.0. A remote unauthenticated attacker...