IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
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

Tue, 04 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

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

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 04 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-08-04T00:00:00+00:00', 'dueDate': '2026-08-07T00:00:00+00:00'}


Fri, 17 Jul 2026 18:30:00 +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 chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
Title Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-94
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: 2026-08-05T03:56:04.369Z

Reserved: 2026-05-21T15:40:11.465Z

Link: CVE-2026-9198

cve-icon Vulnrichment

Updated: 2026-07-17T17:52:22.749Z

cve-icon NVD

Status : Analyzed

Published: 2026-07-17T18:17:17.340

Modified: 2026-08-05T05:17:15.823

Link: CVE-2026-9198

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-05T15:00:05Z

Weaknesses