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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Sparx Systems Pro Cloud Server unknown
Version Status Constraints
0 affected ≤ 6.1

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cert.pl/en/posts/2026/05/CVE-2026-42096 cve-icon cve-icon
https://efigo.pl/blog/CVE-2026-42096/ cve-icon cve-icon
https://sparxsystems.com/products/procloudserver/ cve-icon cve-icon
https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html cve-icon cve-icon
History

Tue, 19 May 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 19 May 2026 13:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Authentication Bypass in Sparx Pro Cloud Server
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 9.3, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published:

Updated: 2026-05-19T15:28:13.174Z

Reserved: 2026-04-24T12:15:00.858Z

Link: CVE-2026-42097

cve-icon Vulnrichment

Updated: 2026-05-19T15:28:08.669Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-19T14:16:42.247

Modified: 2026-05-19T14:45:59.807

Link: CVE-2026-42097

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T15:15:08Z

Weaknesses