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…
Published: 2026-07-17 · CVSS: 9.9 · CVSS 3.1
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 validation, or privilege restrictions, enabling any authenticated user to execute arbitrary system commands with the full privileges of the Langflow server process.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7