CVE-2026-16279 Missing authorization in 3DSwymer
An improper authorization flaw in 3DSwymer allows attackers to gain unauthorized access to user accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-16279?
CVE-2026-16279 is a critical missing authorization vulnerability in Dassault Systèmes 3DSwymer, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An Improper Authorization vulnerability affecting 3DPassport in 3DSwymer from Release 3DEXPERIENCE R2023x through Release 3DEXPERIENCE R2026x could allow an attacker to gain access to some user accounts.
Weakness: CWE-285
Which versions are affected by CVE-2026-16279?
How do I fix CVE-2026-16279?
No fix has been published for CVE-2026-16279 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-16279 being exploited?
There is no known exploitation of CVE-2026-16279 in the wild and no public exploit code.
Sources
Also known as GHSA-4w8p-xx38-h33q.