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 5mo ago modified 2026-07-22 3mo ago also EUVD-2026-33583

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 5mo ago (2026-06-01)

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Dassault Systèmes Teamwork Cloud - Standard Edition
Dassault Systèmes Teamwork Cloud - Business Edition
Dassault Systèmes Teamwork Cloud - Business Pro Edition
Dassault Systèmes Teamwork Cloud - Enterprise Edition
Dassault Systèmes Magic Collaboration Studio

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

3ds.com /trust-center/security/security-advisories/cve-2026-7858

Sources

CVE List CVE-2026-7858
NVD CVE-2026-7858

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