Langflow: IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass…
Langflow
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- Severity
- Medium, CVSS 6.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Record
- CVE-2026-9186
- Affects
- Langflow
- Known exploited
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Published
- Record first published by the source
- September 4, 2026
- Source last modified
- September 8, 2026
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.).
Description quoted from the NVD record.