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HIGH severity

CVE-2026-107672

HIGH

CVE-2026-107672 is a high-severity (CVSS 8.8) CWE-77 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

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…

Published
Updated
Affected
—
Patched
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Exploits
None indexed
Exploitation data as of Oct 28, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs24th percentile — riskier than 24% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-107672 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 396,966 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

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.

Detection & mitigation playbook

Vulnerability

  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-107672 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

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.
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