PT-2026-34333 · Unknown · Fullstep V5

Published 2026-04-22 · Updated 2026-04-22 · CVE-2026-5750

Positive Technologies (AI Summary)

CVSS v4.0

7.6

High

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Fullstep V5

Description An insecure direct object reference (IDOR) issue in the registration process allows authenticated users to access data belonging to other registered users through various authenticated resources. The issue affects the following endpoints:

• '/api/suppliers/v1/suppliers//false' used to list user information
• '/#/supplier-registration/supplier-registration//2' used to update user information such as personal details and documents

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-5750

Affected Products

Fullstep V5

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-5750 · Security Note
• https://incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-fullstep · Patch
• https://twitter.com/CVEnew/status/2047012141312737614 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2046973789989130434 · Twitter Post