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OpenAdvisories
Medium · 6.1 CVE-2026-48520 EUVD-2026-38520GHSA-rcjh-r59h-gq37PYSEC-2026-244

Langflow: Unauthenticated Shareable Playground arbitrary local or S3 file read

Published Jun 23, 2026 · Updated Jun 24, 2026 · Assigned by GitHub_M

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.10.0, the "Shareable Playground" (or "Public Flows" in code) contains a potential arbitrary file-read vulnerability, depending on the exact flow configuration used. By making a flow public, public execution of the flow is allowed. The execution request can contain a list of files that gets read by Langflow and fed into the LLM. The files path can be any path supported by the storage - it can be either a local file or S3 path if supported by the local configuration This vulnerability is fixed in 1.10.0.

Affected products

VendorProductAffectedFixed
langflow-ai langflow < 1.10.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI langflow < 1.10.0 1.10.0 GHSA-rcjh-r59h-gq37

Advisories 1

References