Vulnerability · Published May 19, 2026 · Assigned by CERT-PL
CVE-2026-42096Broken Access Control in Sparx Pro Cloud Server
High 8.7
In plain English
A high-severity incorrect authorization in Pro Cloud Server from Sparx Systems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
Sparx Pro Cloud Server is vulnerable to Broken Access Control within communication with the database. Due to lack of permission checks, any low privileged user can run arbitrary SQL queries within database user context. 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sparx Systems | Pro Cloud Server | 0 – through 6.1 |
Weakness: CWE-863 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
References
- 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 technical-description
- https://efigo.pl/blog/CVE-2026-42096/ third-party-advisory