Remote Code Execution Vulnerability in IBM Langflow by IBM
CVE-2026-104339

9.8CRITICAL

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
29 October 2026

What is CVE-2026-104339?

A vulnerability in IBM Langflow versions 1.0.0 to 1.12.3 allows attackers to execute arbitrary code remotely due to improper neutralization of special elements within OS commands. This could potentially enable unauthorized access and manipulation of the application. It is crucial for users and administrators to apply available patches to mitigate this risk.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.12.3

References

https://www.ibm.com/support/pages/node/7293015
vendor-advisorypatch

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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