CVE-2026-42097 CRITICAL

CVE-2026-42097: Authentication Bypass in Sparx Pro Cloud Server

Vendor Sparx Systems
Product Pro Cloud Server
Weakness CWE-639 · IDOR
Published May 19, 2026
Last update May 19, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Sparx Pro Cloud Server requires authentication based on requested URL. An attacker can omit the "model" query parameter and send the model name only in the binary blob in POST request allowing SQL query execution without authentication. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.1 (build 167) and below were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

Key dates

02Disclosure timeline

May 19, 2026 CVE published
May 19, 2026 Record updated