Remote Code Execution Vulnerability in IBM Langflow Due to Improper Validation
CVE-2026-17630

7.2HIGH

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
5 August 2026

What is CVE-2026-17630?

IBM Langflow OSS versions 1.0.0 through 1.10.3 contain a vulnerability that may allow a remote attacker to execute arbitrary code due to insufficient validation of configuration parameters. This can lead to serious security implications, making it crucial for users of these versions to apply the necessary patches and updates as outlined in the vendor's advisory.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.10.3

References

https://www.ibm.com/support/pages/node/7282147
vendor-advisorypatch

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CVEs reported to IBM: CVE-2026-8446 by odgrso (GMO CyberSecurity by Ierae, Inc.); CVE-2026-17626 by Thai Son Dinh (VinSOC Labs, (R&amp;D).
.