Description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker who could reach the message broker to execute arbitrary code on the system due to the deserialization of untrusted data.
Published: 2026-10-29
Score: 8.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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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

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 who could reach the message broker to execute arbitrary code on the system due to the deserialization of untrusted data.
Title Langflow OSS is affected by multiple vulnerabilities
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-502
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': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

Ibm Langflow Oss
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-10-29T15:17:09.357Z

Reserved: 2026-10-01T19:52:54.459Z

Link: CVE-2026-104317

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-502

    Deserialization of Untrusted Data