Description
Improper Handling of Syntactically Invalid Structure in Sparx Pro Cloud Server allows Denial of Service (DoS) attack to be executed by sending an specially crafted SQL query. This causes the Pro Cloud Server service to terminate unexpectedly. 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.
References (4)
Core 4
Core References
Third Party Advisory third-party-advisory
https://cert.pl/en/posts/2026/05/CVE-2026-42096
Product product
https://sparxsystems.com/products/procloudserver/
Technical Description technical-description
https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html
Third Party Advisory third-party-advisory
https://efigo.pl/blog/CVE-2026-42096/
Scores
CVSS v3
7.5
EPSS
0.0068
EPSS Percentile
47.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-228
Status
published
Products (2)
Sparx Systems/Pro Cloud Server
< 6.1
sparxsystems/pro_cloud_server
< 6.1.167
Published
May 19, 2026
Tracked Since
May 19, 2026