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

Quick assessment

Affected
Dassault Systèmes Tuleap Enterprise Edition
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dassault Systèmes Tuleap Enterprise Edition是法国Dassault Systèmes公司的一款企业级应用开发与项目管理平台。 Dassault Systèmes Tuleap Enterprise Edition 17.0版本至17.5版本存在信任管理问题漏洞，该漏洞源于使用默认密码，可能导致攻击者访问XML导入期间创建的用户账户。

CVSS 7.7 · High EPSS 0.20% · P10

Affected Version Matrix 2

VendorProduct Version RangeStatus
Dassault Systèmes Tuleap Enterprise Edition 17.0-1≤ 17.0-36 affected
17.5-1≤ 17.5-24 affected
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I. Basic Information for CVE-2026-19851

Vulnerability Information
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Vulnerability Title
Use of Default Password vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1393
Source: CVE Program / CVE List V5
Vulnerability Title
Dassault Systèmes Tuleap Enterprise Edition 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dassault Systèmes Tuleap Enterprise Edition是法国Dassault Systèmes公司的一款企业级应用开发与项目管理平台。 Dassault Systèmes Tuleap Enterprise Edition 17.0版本至17.5版本存在信任管理问题漏洞，该漏洞源于使用默认密码，可能导致攻击者访问XML导入期间创建的用户账户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dassault Systèmes Tuleap Enterprise Edition 17.0-1 ~ 17.0-36 -

II. Public POCs for CVE-2026-19851

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III. Intelligence Information for CVE-2026-19851

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Vendor Advisories for CVE-2026-19851 (1)

IV. Related Vulnerabilities

Same product: Tuleap Enterprise Edition
Same vendor: Dassault Systèmes
Same weakness: CWE-1393

V. Comments for CVE-2026-19851

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