CVE-2026-42100

Name: CVE-2026-42100
Creator: NVD / NIST
Published: 2026-05-19T14:16:43.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2026-42100 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

7.1/10

CVSS:4.0/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

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-228

Affected Software

Vendor	Product	Versions
Sparxsystems	Pro Cloud Server	<= 6.1.167

References

https://cert.pl/en/posts/2026/05/CVE-2026-42096Third 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.htmlExploit, Third Party Advisory

Timeline

Published: May 19, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-42100?

How severe is CVE-2026-42100?

CVE-2026-42100 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42100?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42100?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST