Security Advisory

CVE-2026-55446

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-23 16:26:17

Last updated 2026-06-23 17:56:37

Assigner GitHub_M

CVSS score 7.5

State PUBLISHED

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.0.19, an attacker can send a /api/v1/files/upload/ request without any authentication token/cookies and abuse a very long multipart form boundary to make the langflow app unusable for all users for an indefinite amount of time. This vulnerability is fixed in 1.0.19.

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