# 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.

**Published**
2026-06-01

**Updated**
-

**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.

**Affected Products**
Teamwork Cloud, Magic Collaboration Studio

**Affected Versions**
From Releases 2022x through 2026x

**Severity**
High

Go to Dassault Systèmes Security Advisories

[Security Advisories](/trust-center/security/security-advisories)

[   Go to CVE record     ](https://www.cve.org/CVERecord?id=CVE-2026-7858)

[   Access remediation information  ](https://support.3ds.com/knowledge-base/?q=docid%3AQA00000455613)