CVE-2026-42097— Authentication Bypass in Sparx Pro Cloud Server
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected 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-2026-42097
Vulnerability Information
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Vulnerability Title
Authentication Bypass in Sparx Pro Cloud Server
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sparx Pro Cloud Server requires authentication based on requested URL. An attacker can omit the "model" query parameter and send the model name only in the binary blob in POST request allowing SQL query execution without authentication. 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
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Sparx Systems | Pro Cloud Server | 0 ~ 6.1 | - |
II. Public POCs for CVE-2026-42097
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://sploit.tech/2026/05/19/Sparx-Enterprise-Architect-PCS.htmltechnical-description
- https://cert.pl/en/posts/2026/05/CVE-2026-42096third-party-advisory
- https://efigo.pl/blog/CVE-2026-42096/third-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-42097
Same Patch Batch · Sparx Systems · 2026-05-19 · 5 CVEs total
| CVE-2026-42100 | DoS in Sparx Pro Cloud Server | |
| 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 |
IV. Related Vulnerabilities
Same product: Pro Cloud Server
- CVE-2026-42100
DoS in Sparx Pro Cloud Server - CVE-2026-42099
Race Condition 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
Same weakness: CWE-639
- CVE-2026-6566
Photo Gallery, Sliders, Proofing and Themes <= 4.2.0 - Insec - CVE-2026-6072
Oliver POS <= 2.4.2.6 - Unauthenticated Authorization Bypass - CVE-2026-37978
Keycloak: org.keycloak.services: keycloak: information discl - CVE-2026-4630
Keycloak: keycloak: unauthorized resource access and data mo - CVE-2026-33052
MantisBT: Authorization Bypass in Global Profile Creation
V. Comments for CVE-2026-42097
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