CVE-2026-18904

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.

CVSS v3 8.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7284579	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-08-28 22:16

Updated : 2026-08-31 21:44

NVD link : CVE-2026-18904

Mitre link : CVE-2026-18904

CVE.ORG link : CVE-2026-18904

JSON object : View

Products Affected

langflow

langflow

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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