CVE-2026-9186
MEDIUM6.5CVSS v3
—CVSS v2
0.29%
EPSS (exploit probability)
CWE-284CWE
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.).
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected routers (0)
No routers currently mapped to this CVE in our database.