Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026
Langflow is affected by security vulnerabilities in Model Context Protocol features
CVE-2026-7646
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: 1.0.0 - 1.10.3
Patches
Vulnerability mechanics
References
1- www.ibm.com/support/pages/node/7282147mitrevendor-advisorypatch
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