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CVE-2026-88794— XML External Entity injection in Sparx Enterprise Architect

Quick assessment

Affected
Sparx Systems Enterprise Architect
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Enterprise Architect 的 XSLT 调试器功能存在 XML 外部实体（XXE）注入漏洞。当用户加载包含带有外部 DTD 引用 DOCTYPE 的恶意构造 XML 文件时，解析器会处理外部实体，从而导致攻击者可以读取受害者在文件系统上的任意文件。 由于尝试联系厂商未果，该漏洞仅在 17.1 版本中得到了确认，但其他版本也可能受到影响。

CVSS 8.2 · High EPSS 0.28% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
Sparx Systems Enterprise Architect 17.1 affected
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I. Basic Information for CVE-2026-88794

Vulnerability Information
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Vulnerability Title
XML External Entity injection in Sparx Enterprise Architect
Source: CVE Program / CVE List V5
Vulnerability Description
Enterprise Architect is vulnerable to XML External Entity (XXE) injection in the XSLT Debugger feature. When a user loads a crafted XML file containing a `DOCTYPE` with an external DTD reference, the parser processes external entities, allowing an attacker to read arbitrary files from the victim's filesystem. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 17.1 but may also affect other versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sparx Systems Enterprise Architect 17.1 -

II. Public POCs for CVE-2026-88794

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III. Intelligence Information for CVE-2026-88794

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Security Blog Posts for CVE-2026-88794 (1)

Vendor Pages for CVE-2026-88794 (1)

IV. Related Vulnerabilities

Same product: Enterprise Architect
Same vendor: Sparx Systems
Same weakness: CWE-611

V. Comments for CVE-2026-88794

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