Security Advisory

CVE-2026-9186

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-04 14:23:20

Last updated 2026-09-08 16:48:46

Assigner ibm

CVSS score 6.5

State PUBLISHED

Description

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files (~/.cursor/mcp.json, etc.).

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