CVE-2026-42100

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	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

Configurations

Configuration 1 (hide)

cpe:2.3:a:sparxsystems:pro_cloud_server:*:*:*:*:*:*:*:*

History

02 Jun 2026, 14:19

Type	Values Removed	Values Added
CPE		cpe:2.3:a:sparxsystems:pro_cloud_server::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Sparxsystems pro Cloud Server Sparxsystems
References	~~() https://cert.pl/en/posts/2026/05/CVE-2026-42096 -~~	() https://cert.pl/en/posts/2026/05/CVE-2026-42096 - Third Party Advisory
References	~~() https://efigo.pl/blog/CVE-2026-42096/ -~~	() https://efigo.pl/blog/CVE-2026-42096/ - Third Party Advisory
References	~~() https://sparxsystems.com/products/procloudserver/ -~~	() https://sparxsystems.com/products/procloudserver/ - Product
References	~~() https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html -~~	() https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html - Exploit, Third Party Advisory

19 May 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-19 14:16

Updated : 2026-06-02 14:19

NVD link : CVE-2026-42100

Mitre link : CVE-2026-42100

CVE.ORG link : CVE-2026-42100

JSON object : View

Products Affected

sparxsystems

pro_cloud_server

CWE

CWE-228

Improper Handling of Syntactically Invalid Structure

{"id": "CVE-2026-42100", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "cvd@cert.pl", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-05-19T14:16:43.113", "references": [{"url": "https://cert.pl/en/posts/2026/05/CVE-2026-42096", "tags": ["Third Party Advisory"], "source": "cvd@cert.pl"}, {"url": "https://efigo.pl/blog/CVE-2026-42096/", "tags": ["Third Party Advisory"], "source": "cvd@cert.pl"}, {"url": "https://sparxsystems.com/products/procloudserver/", "tags": ["Product"], "source": "cvd@cert.pl"}, {"url": "https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.html", "tags": ["Exploit", "Third Party Advisory"], "source": "cvd@cert.pl"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cvd@cert.pl", "description": [{"lang": "en", "value": "CWE-228"}]}], "descriptions": [{"lang": "en", "value": "Improper Handling of Syntactically Invalid Structure in Sparx Pro Cloud Server allows Denial of Service (DoS) attack to be executed by\u00a0sending an specially crafted SQL query. This causes the Pro Cloud Server service to terminate unexpectedly.\u00a0\n\nThe 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."}], "lastModified": "2026-06-02T14:19:20.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sparxsystems:pro_cloud_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EF167FED-7617-4363-BC26-5E80EB059DDE", "versionEndIncluding": "6.1.167"}], "operator": "OR"}]}], "sourceIdentifier": "cvd@cert.pl"}