CVE-2026-42100— DoS in Sparx Pro Cloud Server
Possible ATT&CK Techniques 2AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Sparx Systems | Pro Cloud Server | ≤ 6.1 | affected |
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I. Basic Information for CVE-2026-42100
Vulnerability Information
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Vulnerability Title
DoS in Sparx Pro Cloud Server
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
语法无效结构处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sparx Systems Sparx Pro Cloud Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sparx Systems Sparx Pro Cloud Server是澳大利亚Sparx Systems公司的一款支持模型仓库远程访问与协作管理的建模服务平台。 Sparx Pro Cloud Server 6.1版本及之前版本存在安全漏洞，该漏洞源于对语法无效结构的处理不当，攻击者发送特制SQL查询可导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Sparx Systems | Pro Cloud Server | 0 ~ 6.1 | - |
II. Public POCs for CVE-2026-42100
| # | POC Description | Source Link | Shenlong Link |
|---|
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Advisory · 1Vendor · 1Blog · 2
- Vulnerabilities in Sparx Systems products | CERT Polskathird-party-advisory
- CVE-2026-42096 - EFIGO - Cyberbezpieczeństwo i ochrona danychthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-42100
Same Patch Batch · Sparx Systems · 2026-05-19 · 5 CVEs total
| CVE-2026-42096 | Broken Access Control in Sparx Pro Cloud Server | |
| CVE-2026-42098 | Authorization Bypass in Sparx Enterprise Architect | |
| CVE-2026-42099 | Race Condition in Sparx Pro Cloud Server | |
| CVE-2026-42097 | Authentication Bypass in Sparx Pro Cloud Server |
IV. Related Vulnerabilities
Same product: Pro Cloud Server
- CVE-2026-42099
Race Condition in Sparx Pro Cloud Server - CVE-2026-42097
Authentication Bypass in Sparx Pro Cloud Server - CVE-2026-42096
Broken Access Control in Sparx Pro Cloud Server - CVE-2025-4377
Path traversal vulnerability in Sparx Pro Cloud Server WebEA - CVE-2025-4376
Cross-Site Scripting vulnerability in Model Search in Pro Cl
Same vendor: Sparx Systems
- CVE-2026-42099
Race Condition in Sparx Pro Cloud Server - CVE-2026-42098
Authorization Bypass in Sparx Enterprise Architect - CVE-2026-42097
Authentication Bypass in Sparx Pro Cloud Server - CVE-2026-42096
Broken Access Control in Sparx Pro Cloud Server - CVE-2025-4377
Path traversal vulnerability in Sparx Pro Cloud Server WebEA
V. Comments for CVE-2026-42100
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