Remote Code Execution Vulnerability in IBM Langflow OSS by IBM
CVE-2026-12946

9.9CRITICAL

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
30 July 2026

What is CVE-2026-12946?

IBM Langflow OSS versions 1.0.0 through 1.10.0 contain a vulnerability that may allow remote attackers to inject arbitrary code into the system. This risk arises from insufficient validation of user-controlled input, which could potentially be exploited for executing unauthorized commands.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.10.0

References

https://www.ibm.com/support/pages/node/7278928
vendor-advisorypatch

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.