CVE-2026-7858Disclosure

LOWCVSS 9.8 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references

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

Weakness type (CWE)

CWE-502

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters136d
Disclosure
CVE-2026-7858 - Critical unauthenticated RCE in Dassault Systèmes Teamwork Cloud & Magic Collaboration Studio. Deserialization flaw in versions 2022x-2026x. CVSS 9.8. No patch available. Isolate affected systems. #CVE #infosec #Dassault #CVEAlert More https://www.valtersit.com/cve/CVE-2026-7858/
Post summary
CVE‑2026‑7858 is a critical unauthenticated RCE flaw in Dassault Systèmes Teamwork Cloud and Magic Collaboration Studio, affecting versions 2022x‑2026x with CVSS 9.8 and no patch available; affected systems should be isolated.
0000040
919 followersView on X
SecAlerts@SecAlertsCo136d
Disclosure
CVE-2026-7858: Critical (9.8) deserialization flaw in No Magic Teamwork Cloud and CATIA Magic Collaboration Studio (2022x-2026x). No auth, no interaction needed - full C/I/A compromise possible over the network. Check your stack now. https://secalerts.co/vulnerability/CVE-2026-7858 https://t.co/LgehYxXhRe
Post summary
The post announces CVE-2026-7858, a critical deserialization flaw that requires no authentication or user interaction and allows full compromise over the network; no exploit code or active use is discussed.
0000046
832 followersView on X

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