PT-2026-85588 · Ibm · Langflow Oss
CVE-2026-9186
·
Published
2026-09-04
·
Updated
2026-09-04
CVSS v3.1
6.5
Medium
| Vector | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
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.).
Fix
Improper Access Control
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Weakness Enumeration
Related Identifiers
Affected Products
Langflow Oss