CVE-2026-48520

MEDIUM

Langflow: Unauthenticated Shareable Playground arbitrary local or S3 file read

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.1
EPSS 0.0041
EPSS Percentile 33.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-73
Status published
Products (3)
langflow/langflow < 1.10.0
langflow-ai/langflow < 1.10.0
pypi/langflow 0 - 1.10.0PyPI
Published Jun 23, 2026
Tracked Since Jun 23, 2026