CVE-2026-55423
Published:June 23, 2026
Updated:June 29, 2026
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.
Affected Packages
https://github.com/langflow-ai/langflow.git (GITHUB):
Affected version(s) >=v0.0.19 <v1.7.1Fix Suggestion:
Update to version v1.7.1langflow (PYTHON):
Affected version(s) >=0.0.31 <1.7.1Fix Suggestion:
Update to version 1.7.1Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.8
Attack Vector
PHYSICAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Insufficient Session Expiration
EPSS
Base Score:
0.15