Vulnerability in Langflow-ai Langflow

CVE-2026-55423

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 fi…

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-55423?
CVE-2026-55423 is a medium-severity vulnerability in Langflow-ai Langflow, classified under Insufficient Session Expiration. CVSS score: 6.1/10. Published 2026-06-23.
How severe is CVE-2026-55423?
Medium severity. CVSS v3 base score is 6.1 out of 10.