HOMEVULNERABILITIESCVE-2026-42100
HIGH

CVE-2026-42100

CWE-228Published: May 19, 2026· Updated: Jun 17, 2026

7.5
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:12.7th

Official 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.

NVD Source

Technical Analysis

CVE-2026-42100 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

sparxsystems1 product(s)
pro cloud server
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://cert.pl/en/posts/2026/05/CVE-2026-42096
ADVISORYhttps://efigo.pl/blog/CVE-2026-42096/
ADVISORYhttps://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html

All References (4)

→
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

Quick Facts

CVE IDCVE-2026-42100
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-228
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor(s)
PublishedMay 19, 2026

Related CVEs (CWE-228)

CVE-2023-42784
9.8
CVE-2021-38443
9.8
CVE-2024-55594
9.8
CVE-2020-27847
9.8
CVE-2026-20125
7.7
CVE-2024-21612
7.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-42100 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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