CVE-2026-82278: Dataelement Bisheng

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow run_once endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/run_once endpoint, which executes them with exec() without sandboxing, gaining access to filesystem, credentials, and internal network resources.

Affected products

• Dataelement Bisheng: before 2.6.0 (fixed in 2.6.0)

Published 2026-08-28. Last modified 2026-09-23.