CVE-2026-5750 HIGH

CVE-2026-5750: Insecure direct object reference (IDOR) vulnerability in Fullstep

Vendor Fullstep
Product Fullstep
Weakness CWE-639 · IDOR
Published April 22, 2026
Last update April 22, 2026

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

An insecure direct object reference (IDOR) vulnerability in the Fullstep V5 registration process allows authenticated users to access data belonging to other registered users through various vulnerable authenticated resources in the application. The vulnerable endpoints result from: '/api/suppliers/v1/suppliers//false' to list user information; and '/#/supplier-registration/supplier-registration//2' to update your user information (personal details, documents, etc.).

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 22, 2026 Record updated