CVE-2026-7858 CRITICAL

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

Vendor Dassault Systèmes
Product Teamwork Cloud - Standard Edition
Weakness CWE-502 · Unsafe deserialization
Published June 1, 2026
Last update June 1, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated