Remote Code Execution Vulnerability in IBM Langflow Desktop
CVE-2026-6543

8.8HIGH

Key Information:

Vendor

IBM
Status
Langflow Desktop
Vendor
CVE Published:
30 April 2026

What is CVE-2026-6543?

IBM Langflow Desktop versions 1.0.0 through 1.8.4 contain a security vulnerability that allows attackers to execute arbitrary commands with the privileges of the Langflow process. This exploit could lead to the reading of sensitive environment variables, such as API keys and database credentials, enabling attackers to modify files or initiate further attacks on the internal network.

Affected Version(s)

Langflow Desktop 1.0.0 <= 1.8.4

References

https://www.ibm.com/support/pages/node/7271092
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

Credit

Eran Shimony (Palo Alto Networks)
.