CVE-2026-42097: critical vulnerability in Sparx Systems Pro Cloud Server
Authentication Bypass in Sparx Pro Cloud Server
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 0.9%
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.
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
Affected products
Sparx Systems · Pro Cloud ServerRelated CVEs — Sparx Systems Pro Cloud Server
In the same product, most dangerous first.
CVE-2025-4377HIGHPath traversal vulnerability in Sparx Pro Cloud Server WebEA webconfig in logview.phpEPSS 0.8%CVE-2026-42099HIGHRace Condition in Sparx Pro Cloud ServerEPSS 0.7%CVE-2026-42100HIGHDoS in Sparx Pro Cloud ServerEPSS 0.7%CVE-2025-4376MEDIUMCross-Site Scripting vulnerability in Model Search in Pro Cloud Server's WebEAEPSS 0.7%CVE-2026-42096HIGHBroken Access Control in Sparx Pro Cloud ServerEPSS 0.6%CVE-2025-4375MEDIUMCross-Site Request Forgery vulnerability in Pro Cloud Server's WebEAEPSS 0.3%