CVE-2026-42100
DoS in Sparx Pro Cloud Server
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.
INFO
Published Date :
May 19, 2026, 2:16 p.m.
Last Modified :
June 2, 2026, 2:19 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 4bb8329e-dd38-46c1-aafb-9bf32bcb93c6 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Sparx Pro Cloud Server to the latest version.
- Apply any available security patches from the vendor.
- Validate that the service no longer terminates unexpectedly.
- Monitor server for stability after updates.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-42100.
| URL | Resource |
|---|---|
| https://cert.pl/en/posts/2026/05/CVE-2026-42096 | Third Party Advisory |
| https://efigo.pl/blog/CVE-2026-42096/ | Third Party Advisory |
| https://sparxsystems.com/products/procloudserver/ | Product |
| https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-42100 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-42100
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-42100 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-42100 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:sparxsystems:pro_cloud_server:*:*:*:*:*:*:*:* versions up to (including) 6.1.167 Added Reference Type CERT.PL: https://cert.pl/en/posts/2026/05/CVE-2026-42096 Types: Third Party Advisory Added Reference Type CERT.PL: https://efigo.pl/blog/CVE-2026-42096/ Types: Third Party Advisory Added Reference Type CERT.PL: https://sparxsystems.com/products/procloudserver/ Types: Product Added Reference Type CERT.PL: https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html Types: Exploit, Third Party Advisory -
New CVE Received by [email protected]
May. 19, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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 Added CWE CWE-228 Added Reference https://cert.pl/en/posts/2026/05/CVE-2026-42096 Added Reference https://efigo.pl/blog/CVE-2026-42096/ Added Reference https://sparxsystems.com/products/procloudserver/ Added Reference https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html