CVE-2026-6599 — Langflow-Ai Langflow Vulnerability
CVE-2026-6599 — A vulnerability was detected in langflow-ai langflow up to 1.8.3. The impacted element is the function get_client_ip/install_mcp_config of the file src/backend/base/langflow/api/v1/mcp_projects.py of the component Model Context Protocol Configuration API. Performing a manipulation of
What This Means For You
- If your environment is affected by CWE-74, CWE-707, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6599 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-6599 - Langflow X-Forwarded-For Injection
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6599 | vulnerability | CVE-2026-6599 |
| CWE-74 | weakness | CWE-74 |
| CWE-707 | weakness | CWE-707 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 20, 2026 at 07:16 UTC |
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