Arbitrary Code Execution Vulnerability in IBM Langflow OSS
CVE-2026-7803

9.8CRITICAL

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
30 June 2026

What is CVE-2026-7803?

Versions of IBM Langflow OSS from 1.0.0 to 1.10.0 are susceptible to an arbitrary code execution vulnerability. This issue arises from insufficient validation of flow nodes, particularly those with missing or empty component type fields. This flaw could enable an attacker to execute malicious code, potentially compromising the system's integrity. Users are advised to review the vendor advisory and implement available patches to mitigate this risk.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.10.0

References

https://www.ibm.com/support/pages/node/7278445
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

Credit

Jacques Artelle ottawapm.jack@gmail.com
.