Langflow — Vulnerability (CVE-2026-55423)
Date: 2026-06
Affected: langflow/langflow
Attack vector: other
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-55423
CWE: CWE-613
CVSS: 6.1 (CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.7.0, the logout button does not clear the session. The previous user stays logged in unless another user explicitly logs in. This vulnerability is fixed in 1.7.0.


Mitigations:

Architectural layers (MAESTRO):