CVE-2026-8446EPSS p22.2%

CVE-2026-8446CVE-2026-8446

langflow / langflow

Description

IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol (MCP) composer endpoint when mcp_composer_enabled=true (default) and projects are configured with auth_type=oauth .

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS0.30% probability of exploitation · percentile 22.2% · 2026-08-06T12:00:30Z
Last modified2026-08-06
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.