CVE-2026-105408: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Dassault Systèmes Tuleap Enterprise Edition

This vulnerability is a stored XSS (CWE-79) in Tuleap Enterprise Edition that affects versions 17.0-1 to 17.0-41 and 17.5-1 to 17.5-32. An attacker could exploit this flaw to execute arbitrary JavaScript in the context of a victim's browser session, potentially leading to session hijacking or other impacts. The CVSS 3.1 base score is 8.7, indicating high severity with network attack vector, low attack complexity, requiring privileges and user interaction, and impacts confidentiality and integrity with no impact on availability.

Successful exploitation could allow an attacker to execute arbitrary script code in the context of the victim's browser session, potentially leading to disclosure or modification of sensitive information accessible to the user. The vulnerability does not affect system availability. The high CVSS score reflects the significant confidentiality and integrity impact.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the input data. Until a patch is available, users should exercise caution with untrusted input and consider applying any vendor-recommended mitigations once published.