Arbitrary Code Injection Affecting FreeCAD/FreeCAD package, versions [,1.1.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREECADFREECAD-19427911
  • published29 Aug 2026
  • disclosed18 Aug 2026
  • creditUnknown

Introduced: 18 Aug 2026

NewCVE-2026-34789  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade FreeCAD/FreeCAD to version 1.1.2 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Injection in the Restore process. An attacker can execute arbitrary Python code by crafting a malicious FCStd document that supplies a controlled module attribute, which is imported and executed during deserialization.

CVSS Base Scores

version 4.0
version 3.1