CVE-2026-9186
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
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.).
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | Langflow OSS | 1.0.0 <= 1.11.2 | affected |
Weaknesses
- CWE-284: CWE-284 Improper Access Control
References
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