DoS in Sparx Pro Cloud Server
Published May 19, 2026
7.1
HIGHCVSS 4.0
EPSS 0.64%
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.
Affected products
-
- Version 0StatusaffectedConstraints<=6.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Sparx Systems | Pro Cloud Server | n/a |
|
- ≤ 6.1.167
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 19, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.64% (0.00637) | 48.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.68% (0.00682) | 47.45th | v5 (v2026.06.15) |
| May 20, 2026 | 0.04% (0.00042) | 12.74th | v4 (v2025.03.14) |
References (4)
- https://cert.pl/en/posts/2026/05/CVE-2026-42096 third-party-advisoryThird Party Advisory
- https://efigo.pl/blog/CVE-2026-42096/ third-party-advisoryThird Party Advisory
- https://sparxsystems.com/products/procloudserver/ product
- https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html technical-descriptionExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://cert.pl/en/posts/2026/05/CVE-2026-42096 | third-party-advisoryThird Party Advisory | |
| https://efigo.pl/blog/CVE-2026-42096/ | third-party-advisoryThird Party Advisory | |
| https://sparxsystems.com/products/procloudserver/ | product | |
| https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html | technical-descriptionExploitThird Party Advisory |
Change history (0)
No recorded changes yet.