Indirect Object Reference Vulnerability in IBM Langflow Desktop
CVE-2026-4503

7.5HIGH

Key Information:

Vendor

IBM
Status
Langflow Desktop
Vendor
CVE Published:
30 April 2026

What is CVE-2026-4503?

An indirect object reference vulnerability exists in IBM Langflow Desktop versions 1.0.0 through 1.8.4, allowing unauthenticated users to access images uploaded by other users. This security flaw arises from a user-controlled key that improperly exposes user content, presenting a significant risk to user data privacy and security. Organizations using this software should remain vigilant and apply necessary updates to mitigate potential risks.

Affected Version(s)

Langflow Desktop 1.0.0 <= 1.8.4

References

https://www.ibm.com/support/pages/node/7271099
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.