CVE-2026-105410: Tuleap Enterprise Edition stored cross-site scripting

CVE-2026-105410 · Severity: high · CVSS 8.7 · Published 2026-10-12

Tuleap Enterprise Edition is a project management and collaboration platform used by teams to track work and share information. A stored cross-site scripting vulnerability in versions 17.0 through 17.5 allows an attacker to inject malicious script code that executes in the browsers of other users accessing the platform. An attacker could steal session credentials, redirect users to malicious sites, or perform unauthorized actions on behalf of legitimate users.

Technologies: Dassault SystèMes Tuleap Enterprise Edition. Vendors: Dassault SystèMes.

Quick answers

Is CVE-2026-105410 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-105410 being exploited in the wild.
How severe is CVE-2026-105410?
High severity, with a CVSS score of 8.7, published 12 October 2026.
Which products and versions are affected?
Dassault SystèMes Tuleap Enterprise Edition 17.0 through 17.5.
Is there a fix for CVE-2026-105410?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-105410 attacked?
It is attacked over the network.
Am I affected by CVE-2026-105410?
Check whether you run Dassault SystèMes Tuleap Enterprise Edition at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stored cross-site scripting (XSS) vulnerability exists in Tuleap Enterprise Edition versions 17.0 through 17.5 where user-supplied input is not properly sanitized before being persisted and displayed to other users. An authenticated attacker can inject arbitrary JavaScript that is stored in the application and executed in the browsers of other users who view the affected content, potentially leading to session hijacking or unauthorized actions.

Affected products

  • Dassault Systèmes Tuleap Enterprise Edition 17.0 through 17.5

Timeline

  • 2026-10-12: disclosed

References

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