CVE-2026-42097

Authentication Bypass in Sparx Pro Cloud Server

Published May 19, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sparxsystems pro Cloud Server
CPEs cpe:2.3:a:sparxsystems:pro_cloud_server:*:*:*:*:*:*:*:*
Vendors & Products Sparxsystems pro Cloud Server
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Sparxsystems
Sparxsystems sparx Pro Cloud Server
Vendors & Products Sparxsystems
Sparxsystems sparx Pro Cloud Server
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
May 19, 2026, 3:28 PM
Reserved
Apr 24, 2026, 12:15 PM
Status
Analyzed
Published
May 19, 2026, 2:16 PM
Modified
Oct 26, 2026, 1:10 PM