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CVE-2026-48520GHSA-RCJH-R59H-GQ37PYSEC-2026-244

Langflow: Unauthenticated Shareable Playground arbitrary local or S3 file read

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.10.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • langflow-ai langflow

    fixed in 1.10.0

  • langflowPyPI

    fixed in 1.10.0

References 1

GitHub · langflow-ai/langflow