CVE-2026-4503 HIGH

CVE-2026-4503: Unauthenticated Insecure Direct Object Reference (IDOR) Vulnerability in Langflow Desktop Image Download Endpoint

Vendor Ibm
Product Langflow Desktop
Weakness CWE-639 · IDOR
Published April 30, 2026
Last update June 12, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow could allow an unauthenticated user to view other users' images due to an indirect object reference through a user-controlled key.

Key dates

02Disclosure timeline

April 30, 2026 CVE published
June 12, 2026 Record updated