Arbitrary Code Execution Vulnerability in IBM Langflow OSS
CVE-2026-78569

8.8HIGH

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
10 September 2026

What is CVE-2026-78569?

IBM Langflow OSS versions 1.0.0 to 1.11.5 contain a vulnerability that allows authenticated attackers to execute arbitrary code. This is due to an incomplete denylist in the security scanner, which may enable unauthorized code execution on the affected systems. Organizations using these versions should consider applying patches or taking protective measures to secure their environments.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.11.5

References

https://www.ibm.com/support/pages/node/7286666
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

.