9.3

CVE-2026-42097

Exploit

Authentication Bypass in Sparx Pro Cloud Server

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sparxsystems ≫ Pro Cloud Server Version <= 6.1.167
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.94% 0.563
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
cvd@cert.pl 9.3 0 0
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/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
CWE-639 Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

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