XML External Entity injection in Sparx Enterprise Architect - CVE-2026-88794
Published: October 26, 2026
Vulnerability identifier: #VU157667
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-88794
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input within the XSLT Debugger. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
Affected software
Sparx Enterprise Architect
How to mitigate CVE-2026-88794
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.