Autodesk Fusion Post Processor Utility up to 5.0.1 Extension .stack.json code injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Autodesk Fusion Post Processor Utility up to 5.0.1. The affected element is an unknown function of the file .stack.json of the component Extension. The manipulation results in code injection. This vulnerability is reported as CVE-2026-107672. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Autodesk Fusion Post Processor Utility up to 5.0.1. Affected is some unknown functionality of the file .stack.json of the component Extension. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A maliciously crafted .stack.json file can trigger a trusted Markdown injection vulnerability in Autodesk Fusion Post Processor Utility Extension. A malicious actor may exploit this vulnerability to execute arbitrary commands in the context of the current user.

The advisory is available at autodesk.com. This vulnerability is traded as CVE-2026-107672 since 10/08/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

By approaching the search of inurl:.stack.json it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 5.0.2 eliminates this vulnerability.

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Productinfo

Vendor

• Autodesk

Name

• Fusion Post Processor Utility

Version

• 5.0.0
• 5.0.1

License

• commercial

CPE 2.3info

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CPE 2.2info

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