CVE-2026-0534
📋 TL;DR
This stored cross-site scripting vulnerability in Autodesk Fusion allows attackers to inject malicious HTML into part attributes. When users click the compromised content, attackers can read local files or execute arbitrary code within the application's context. All users of vulnerable Autodesk Fusion desktop versions are affected.
💻 Affected Systems
- Autodesk Fusion
📦 What is this software?
Fusion by Autodesk
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via arbitrary code execution, leading to data theft, ransomware deployment, or lateral movement within networks.
Likely Case
Local file theft, session hijacking, or credential harvesting through malicious JavaScript execution.
If Mitigated
Limited impact with proper input validation and output encoding, potentially only UI manipulation.
🎯 Exploit Status
Requires social engineering to deliver malicious Fusion file and user interaction to trigger. Stored XSS allows persistent attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version specified in Autodesk Security Advisory ADSK-SA-2026-0001
Vendor Advisory: https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0001
Restart Required: Yes
Instructions:
1. Open Autodesk Fusion. 2. Check for updates via Help > Check for Updates. 3. Download and install latest version. 4. Restart application.
🔧 Temporary Workarounds
Disable JavaScript in Fusion
allPrevents JavaScript execution in part attributes (may break legitimate functionality)
Not applicable - configuration setting within application
Restrict File Sources
allOnly open Fusion files from trusted sources and verify file integrity
🧯 If You Can't Patch
- Implement application whitelisting to prevent unauthorized code execution
- Use network segmentation to isolate Fusion workstations from sensitive systems
🔍 How to Verify
Check if Vulnerable:
Check current Fusion version against patched version in Autodesk advisory ADSK-SA-2026-0001Check Version:
In Fusion: Help > About Fusion (Windows) or Fusion > About Fusion (macOS)Verify Fix Applied:
Confirm installed version matches or exceeds patched version from advisory📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns from Fusion process
- Unexpected child processes spawned by Fusion
Network Indicators:
- Unexpected outbound connections from Fusion to external domains
SIEM Query:
process_name:"Fusion.exe" AND (process_child_count > 0 OR file_access:"*.txt" OR file_access:"*.pdf")