IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to create unlimited user accounts on any Langflow instance; when NEW_USER_IS_ACTIVE=true (documented deployment option), newly created accounts are immediately active and can authenticate to reach RCE endpoints, bypassing the need for AUTO_LOGIN.

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Advisories

No advisories yet.

Fixes

Solution

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.10.1 https://pypi.org/project/langflow/


Workaround

No workaround given by the vendor.

History

Fri, 17 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 17 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
Description IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to create unlimited user accounts on any Langflow instance; when NEW_USER_IS_ACTIVE=true (documented deployment option), newly created accounts are immediately active and can authenticate to reach RCE endpoints, bypassing the need for AUTO_LOGIN.
Title Unauthenticated User Registration Could Lead to Remote Code Execution
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-306
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-07-18T03:55:39.032Z

Reserved: 2026-05-21T15:53:52.649Z

Link: CVE-2026-9202

cve-icon Vulnrichment

Updated: 2026-07-17T19:38:55.622Z

cve-icon NVD

Status : Analyzed

Published: 2026-07-17T18:17:17.490

Modified: 2026-07-24T16:57:00.977

Link: CVE-2026-9202

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T00:00:06Z

Weaknesses