CVE-2026-42097

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cert.pl/en/posts/2026/05/CVE-2026-42096	Third Party Advisory
https://efigo.pl/blog/CVE-2026-42096/	Third Party Advisory
https://sparxsystems.com/products/procloudserver/	Product
https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:sparxsystems:pro_cloud_server:*:*:*:*:*:*:*:*

History

02 Jun 2026, 14:22

Type	Values Removed	Values Added
First Time		Sparxsystems pro Cloud Server Sparxsystems
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
CPE		cpe:2.3:a:sparxsystems:pro_cloud_server::::::::
References	~~() https://cert.pl/en/posts/2026/05/CVE-2026-42096 -~~	() https://cert.pl/en/posts/2026/05/CVE-2026-42096 - Third Party Advisory
References	~~() https://efigo.pl/blog/CVE-2026-42096/ -~~	() https://efigo.pl/blog/CVE-2026-42096/ - Third Party Advisory
References	~~() https://sparxsystems.com/products/procloudserver/ -~~	() https://sparxsystems.com/products/procloudserver/ - Product
References	~~() https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html -~~	() https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html - Exploit, Third Party Advisory

19 May 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-19 14:16

Updated : 2026-06-02 14:22

NVD link : CVE-2026-42097

Mitre link : CVE-2026-42097

CVE.ORG link : CVE-2026-42097

JSON object : View

Products Affected

sparxsystems

pro_cloud_server

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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