Stored XSS in the value of a part attribute

published 2026-01-22 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-3897

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits: 0; none known

A maliciously crafted HTML payload, stored in a part’s attribute and clicked by a user, 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.

Patch / fix

fixed in 1 links 3

Autodesk Fusion 2606.1.21

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 9 mo ago (2026-01-23)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

Autodesk Fusion

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

dl.appstreaming.autodesk.com /production/installers/Fusion%20Client%20Downloader.exe
patch, product
dl.appstreaming.autodesk.com /production/installers/Fusion%20Client%20Downloader.dmg
patch, product
autodesk.com /trust/security-advisories/adsk-sa-2026-0001
vendor-advisory, patch

Sources

CVE List CVE-2026-0534
NVD CVE-2026-0534

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary