CVE-2026-42096: Broken Access Control in Sparx Pro Cloud Server

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-19 · updated 2026-10-26
Weakness: CWE-863

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

Sparx Systems Pro Cloud Server: through 6.1.167

References

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

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