ReviewCritical

CVE-2026-16279

Dassault Systèmes 3DSwymer

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.

CVSS
9.3
EPSS
0.25%
16.7% percentile
CISA KEV
Not listed
Published
2026.08.28
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.25%
Technical severityCVSS 9.3

Vulnerability overview

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.

Affected product and versions

Product
Dassault Systèmes 3DSwymer
Affected versions
>= Release 3DEXPERIENCE R2023x Golden <= Release 3DEXPERIENCE R2023x.FP.CFA.2613, >= Release 3DEXPERIENCE R2024x Golden <= Release 3DEXPERIENCE R2024x.FP.CFA.2632, >= Release 3DEXPERIENCE R2025x Golden <= Release 3DEXPERIENCE R2025x.FP.CFA.2628, >= Release 3DEXPERIENCE R2026x Golden <= Release 3DEXPERIENCE R2026x.FP.CFA.2634
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Dassault Systèmes 3DSwymer and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CWE
CWE-285