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OpenAdvisories
Medium · 6.5 CVE-2026-7646 EUVD-2026-53464GHSA-x37c-x545-wrmw

Langflow is affected by security vulnerabilities in Model Context Protocol features

Published Aug 5, 2026 · Updated Aug 5, 2026 · Assigned by ibm

Description

IBM Langflow OSS 1.0.0 through 1.10.3 allows users to read arbitrary files from the server filesystem, including other users' uploaded documents, the JWT signing secret, the SQLite database, and process environment variables, by sending a crafted MCP `resources/read` request with a URL-encoded path traversal sequence in the filename.

Affected products

VendorProductAffectedFixed
IBM Langflow OSS 1.0.0 – ≤ 1.10.3 —

Advisories 1

References