Code Execution Vulnerability in IBM Langflow OS Software
CVE-2026-18729

8.8HIGH

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
28 August 2026

What is CVE-2026-18729?

IBM Langflow OSS versions 1.0.0 through 1.11.1 contain a vulnerability that allows remote authenticated attackers to execute arbitrary code due to improper control of the code generation process. This flaw could potentially allow attackers to manipulate the software environment, pose risks to system integrity, and escalate privileges. Users are encouraged to review the advisory from IBM and apply the necessary patches to mitigate the risk associated with this vulnerability.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.11.1

References

https://www.ibm.com/support/pages/node/7284733
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.