Description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker to execute arbitrary code due to improper neutralization of special elements used in an OS command.
Published: 2026-10-29
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
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 1.12.4. https://pypi.org/project/langflow/1.12.4/ For Langflow OSS versions 1.0.0 - 1.12.3, follow the Prepare to upgrade instructions and release-specific configuration changes https://docs.langflow.org/release-notes , including backing up your existing installation, then follow the Langflow OSS installation instructions https://docs.langflow.org/get-started-installation to install version 1.12.4 and test your flows.

Tracking

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Advisories

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History

Fri, 30 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Langflow
Langflow langflow
CPEs cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
Vendors & Products Langflow
Langflow langflow

Fri, 30 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 29 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Description IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker to execute arbitrary code due to improper neutralization of special elements used in an OS command.
Title Langflow OSS is affected by multiple vulnerabilities
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:1.12.3:*:*:*:*:*:*:*
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'}


Subscriptions

Ibm Langflow Oss
Langflow Langflow
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-10-30T03:56:26.674Z

Reserved: 2026-10-01T20:11:04.958Z

Link: CVE-2026-104339

cve-icon Vulnrichment

Updated: 2026-10-29T19:36:10.777Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-29T16:17:44.403

Modified: 2026-10-30T13:29:15.737

Link: CVE-2026-104339

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T17:15:07Z

Weaknesses