CVE-2026-4345: Stored Cross-Site Scripting (XSS) Vulnerability in Design Name

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-14 · updated 2026-10-26
Weakness: CWE-79

Description

A maliciously crafted HTML payload, stored in a design name and exported to CSV, can trigger a Stored Cross-site Scripting (XSS) vulnerability in the Autodesk Fusion desktop application. A malicious actor may leverage this vulnerability to read local files or execute arbitrary code in the context of the current process.

Affected products

Autodesk Fusion: before 2702.1.47 — fixed in 2702.1.47

How to fix

Upgrade to a fixed version: Autodesk Fusion 2702.1.47. Check the vendor advisory for mitigations.

References

https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.dmg
https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.exe
https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0005

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