Langflow patches two critical 9.8 flaws that let attackers run code without logging in
IBM's bulletin for Langflow OSS lists two 9.8 flaws, an auth bypass and code execution via MCP tool enumeration, in versions 1.0.0 to 1.12.8. The fix is 1.13.0.
Summary
IBM has published a security bulletin for Langflow OSS, the open-source builder for AI agents and LLM workflows, covering two critical flaws rated 9.8. CVE-2026-93680 bypasses authentication through an incompletely fixed auto-login issue, and CVE-2026-110186 allows code execution through Model Context Protocol tool enumeration. Versions 1.0.0 to 1.12.8 are affected. IBM's fix is Langflow 1.13.0 and it lists no workaround.