CVE-2026-105409
Received Received - Intake

Stored XSS in Tuleap Enterprise Edition

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: Dassault Systèmes

Description
A Stored Cross-site Scripting (XSS) vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker to execute arbitrary script code in user's browser session.

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-105409
EUVD
EUVD-2026-97328

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
Dassault Systèmes Tuleap Enterprise Edition 17.0-1
Dassault Systèmes Tuleap Enterprise Edition 17.5-1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a Stored Cross-site Scripting (XSS) vulnerability in Tuleap Enterprise Edition versions 17.0 through 17.5. It allows an attacker to inject malicious script code that gets stored on the server and executed in a user's browser session when they access the affected page.

Impact Analysis

An attacker could exploit this to steal user session cookies, perform actions on behalf of users, or deface web pages. Users with elevated privileges are particularly at risk as the injected scripts run in their browser context.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR's data protection requirements and HIPAA's security rules for protected health information. Organizations may face compliance penalties if user data is compromised through such attacks.

Mitigation Strategies

Immediately update Tuleap Enterprise Edition to a version beyond 17.5 as per Dassault Systèmes' security advisories to address the Stored XSS vulnerability.

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