CVE-2026-9202

CRITICAL

IBM Langflow OSS 1.0.0-1.10.0 - Unauthenticated User Registration to Remote Code Execution

Title source: manual
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7278929

Scores

CVSS v3 9.8
EPSS 0.0028
EPSS Percentile 20.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (2)
IBM/Langflow OSS 1.0.0 - 1.10.0
langflow/langflow 1.0.0 - 1.10.1
Published Jul 17, 2026
Tracked Since Jul 17, 2026