CVE-2026-12940-Langflow-Unauth-RCE

CVE-2026-12940 — Langflow OSS ≤ 1.10.1 Unauthenticated RCE MCP stdio env-var injection Unauthenticated remote code execution in Langflow OSS through 1.10.1. The environment-variable blocklist that guards MCP stdio server configuration DANGEROUSENVVARS omits SHELLOPTS, BASHOPTS and PS4. Because th...