Description
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.
Published: 2026-09-10
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.11.6 https://pypi.org/project/langflow/

Tracking

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Advisories

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History

Fri, 11 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 10 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.
Title Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-78
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.11.5:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Ibm Langflow Oss
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-09-11T14:38:55.406Z

Reserved: 2026-08-24T20:40:49.233Z

Link: CVE-2026-78575

cve-icon Vulnrichment

Updated: 2026-09-11T14:38:49.527Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-10T22:17:00.130

Modified: 2026-09-11T15:17:04.503

Link: CVE-2026-78575

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T07:30:09Z

Weaknesses