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CVE-2026-7858— Deserialization of Untrusted Data vulnerability affecting Teamwork Cloud from No Magic Release 2022x through No Magic Release 2026x and Magic Collaboration Studio from CATIA Magic Release 2022x through CATIA Magic Release 2026x

Quick assessment

Affected
Dassault Systèmes Teamwork Cloud - Standard 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 Teamwork Cloud和Dassault Systèmes Magic Collaboration Studio都是法国达索系统(Dassault Systèmes)公司的产品。Dassault Systèmes Teamwork Cloud是一个协作式模型版本控制与存储平台。Dassault Systèmes Magic Collaboration Studio是一个基于云的协作平台。 Dassault Systèmes Teamwork Cloud和Dassa

CVSS 9.8 · Critical EPSS 0.81% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 15

VendorProduct Version RangeStatus
Dassault Systèmes Magic Collaboration Studio CATIA Magic Release 2022x Golden≤ CATIA Magic Release 2022x Refresh2 HF3 affected
CATIA Magic Release 2024x Golden≤ CATIA Magic Release 2024x Refresh3 HF1 affected
CATIA Magic Release 2026x Golden≤ CATIA Magic Release 2026x Golden HF2 affected
Dassault Systèmes Teamwork Cloud - Business Edition No Magic Release 2022x Golden≤ No Magic Release 2022x Refresh2 HF3 affected
No Magic Release 2024x Golden≤ No Magic Release 2024x Refresh3 HF1 affected
No Magic Release 2026x Golden≤ No Magic Release 2026x Golden HF2 affected
Dassault Systèmes Teamwork Cloud - Business Pro Edition No Magic Release 2022x Golden≤ No Magic Release 2022x Refresh2 HF3 affected
No Magic Release 2024x Golden≤ No Magic Release 2024x Refresh3 HF1 affected
No Magic Release 2026x Golden≤ No Magic Release 2026x Golden HF2 affected
Dassault Systèmes Teamwork Cloud - Enterprise Edition No Magic Release 2022x Golden≤ No Magic Release 2022x Refresh2 HF3 affected
No Magic Release 2024x Golden≤ No Magic Release 2024x Refresh3 HF1 affected
No Magic Release 2026x Golden≤ No Magic Release 2026x Golden HF2 affected
Dassault Systèmes Teamwork Cloud - Standard Edition No Magic Release 2022x Golden≤ No Magic Release 2022x Refresh2 HF3 affected
No Magic Release 2024x Golden≤ No Magic Release 2024x Refresh3 HF1 affected
No Magic Release 2026x Golden≤ No Magic Release 2026x Golden HF2 affected
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I. Basic Information for CVE-2026-7858

Vulnerability Information

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Deserialization of Untrusted Data vulnerability affecting Teamwork Cloud from No Magic Release 2022x through No Magic Release 2026x and Magic Collaboration Studio from CATIA Magic Release 2022x through CATIA Magic Release 2026x
Source: CVE Program / CVE List V5
Vulnerability Description
A Deserialization of Untrusted Data vulnerability affecting Teamwork Cloud from No Magic Release 2022x through No Magic Release 2026x and Magic Collaboration Studio from CATIA Magic Release 2022x through CATIA Magic Release 2026x could lead to an unauthenticated remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Dassault Systèmes Teamwork Cloud和Dassault Systèmes Magic Collaboration Studio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dassault Systèmes Teamwork Cloud和Dassault Systèmes Magic Collaboration Studio都是法国达索系统(Dassault Systèmes)公司的产品。Dassault Systèmes Teamwork Cloud是一个协作式模型版本控制与存储平台。Dassault Systèmes Magic Collaboration Studio是一个基于云的协作平台。 Dassault Systèmes Teamwork Cloud和Dassa
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 Teamwork Cloud - Standard Edition No Magic Release 2022x Golden ~ No Magic Release 2022x Refresh2 HF3 -
Dassault Systèmes Teamwork Cloud - Business Edition No Magic Release 2022x Golden ~ No Magic Release 2022x Refresh2 HF3 -
Dassault Systèmes Teamwork Cloud - Business Pro Edition No Magic Release 2022x Golden ~ No Magic Release 2022x Refresh2 HF3 -
Dassault Systèmes Teamwork Cloud - Enterprise Edition No Magic Release 2022x Golden ~ No Magic Release 2022x Refresh2 HF3 -
Dassault Systèmes Magic Collaboration Studio CATIA Magic Release 2022x Golden ~ CATIA Magic Release 2022x Refresh2 HF3 -

II. Public POCs for CVE-2026-7858

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-7858

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Vendor Advisories for CVE-2026-7858 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2026-7858

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