CVE-2026-42098— Authorization Bypass in Sparx Enterprise Architect
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Sparx Systems | Enterprise Architect | ≤ 17.1 | affected |
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I. Basic Information for CVE-2026-42098
Vulnerability Information
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Vulnerability Title
Authorization Bypass in Sparx Enterprise Architect
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sparx Enterprise Architect software has a security feature that limits user's actions to those specified in the role. An authenticated attacker can modify the Enterprise Architect client behavior (e.g. using a debugger) and log in as any other user or administrator - then it is possible to do every possible change to the repository. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 17.1 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
使用客户端的认证机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sparx Enterprise Architect 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sparx Enterprise Architect是澳大利亚Sparx公司的一款建模与设计工具。 Sparx Enterprise Architect 17.1版本及之前版本存在安全漏洞，该漏洞源于安全功能限制用户操作的问题，经过身份验证的攻击者可以修改客户端行为并登录为其他用户或管理员，导致对存储库进行任意更改。
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 | Enterprise Architect | 0 ~ 17.1 | - |
II. Public POCs for CVE-2026-42098
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-42098 (1)
Security Blog Posts for CVE-2026-42098 (2)
- Vulnerabilities in Sparx Systems products | CERT Polskathird-party-advisory
- CVE-2026-42096 - EFIGO - Cyberbezpieczeństwo i ochrona danychthird-party-advisory
Vendor Pages for CVE-2026-42098 (1)
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-2026-42099 | Race Condition in Sparx Pro Cloud Server | |
| CVE-2026-42097 | Authentication Bypass in Sparx Pro Cloud Server |
IV. Related Vulnerabilities
Same vendor: Sparx Systems
Same weakness: CWE-603
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V. Comments for CVE-2026-42098
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