Security Bulletin: Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API — CVE-2026-4502

Summary

CVE-2026-4502 is a advisory from IBM. Security Bulletin: Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API Severity/Threat: medium.

Product

IBM Langflow Desktop

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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