CVE-2026-4345 Stored Cross-Site Scripting (XSS) Vulnerability in Design Name
Attackers can execute arbitrary code or read local files via stored XSS in design names exported to CSV in Autodesk Fusion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-4345?
CVE-2026-4345 is a high-severity cross-site scripting vulnerability in Autodesk Fusion, published on 14 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-4345?
It affects 1 product.
Products include Autodesk Fusion.
How do I fix CVE-2026-4345?
No fix has been published for CVE-2026-4345 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-4345 being exploited?
There is no known exploitation of CVE-2026-4345 in the wild and no public exploit code.
Other vulnerabilities in Autodesk Fusion
- CVE-2026-10789 MCP Extension Code Injection Vulnerability in Autodesk Fusion Desktop
- CVE-2025-10244 HTML Payload Stored Cross-Site Scripting (XSS) Vulnerability
- CVE-2026-0533 Stored XSS in Fusion desktop when attempting to delete a file
- CVE-2026-0534 Stored XSS in the value of a part attribute
- CVE-2026-0535 Stored XSS in Electronic Library Component Description
Sources
Also known as GHSA-96vp-26rc-8483.