CVE-2026-5750

High

Published: 22/04/2026(UTC)Translated: 05/08/2026(UTC)NVD NIST

Summary

An IDOR vulnerability in the Fullstep V5 registration process allows authenticated users to access data belonging to other registered users through vulnerable authenticated resources. The vulnerable endpoints include '/api/suppliers/v1/suppliers//false' to list user information and '/#/supplier-registration/supplier-registration//2' to update user information.

Risk Assessment

The risk includes unauthorized access to personal data and documents of other users, potentially leading to privacy breaches and leakage of sensitive information.

Recommendation

Immediately apply vendor patches and conduct an access control audit to eliminate the IDOR vulnerability. Also restrict access to the vulnerable endpoints.

Other vulnerabilities in Fullstep V5

CVE-2026-5749High
In Fullstep V5, inadequate access control in the registration process could allow unauthenticated users to obtain a valid JWT token to interact with authenticated API resources.

Original NVD description (English source)

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.).