Security Bulletin: Langflow OSS Unauthenticated IDOR on Image Downloads — CVE-2026-4503

Summary

CVE-2026-4503 is a advisory from IBM. Security Bulletin: Langflow OSS Unauthenticated IDOR on Image Downloads Severity/Threat: high.

Product

Langflow OSS

What to do

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

• Prioritize patching or mitigation immediately (treat as actively risky).
• 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

Related advisories