Remote Code Execution Vulnerability in IBM Langflow OSS - Improper Isolation Flaw
CVE-2026-10561

10CRITICAL

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
22 June 2026

What is CVE-2026-10561?

An improper isolation vulnerability in IBM Langflow OSS affects versions 1.0.0 through 1.9.3, allowing unauthenticated attackers to execute arbitrary code on compromised systems. This flaw arises from a failure to adequately isolate Python execution environments, resulting in significant security risks for users and systems relying on this product.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.9.3

References

https://www.ibm.com/support/pages/node/7277242
vendor-advisorypatch

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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