Read the docs
TI-2026-26685 Aliases CVE-2026-34399

FreeCAD: Arbitrary Code Execution via eval() on untrusted SVG template scale field in BIM TechDraw Page

Priority LOW 35CWE-95Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-95.

Summary

FreeCAD is a free and open-source multiplatform 3D parametric modeler. From 0.19 until 1.1.1, FreeCAD's BIM Workbench contains an eval() call on untrusted data from SVG template files. When a user creates a TechDraw page from a malicious SVG template, arbitrary Python code executes. The vulnerable code is in src/Mod/BIM/bimcommands/BimTDPage.py (line 87). This issue is fixed in version 1.1.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00198 9th percentileScored 2026-11-07
Fix Fixed FreeCAD (FreeCAD): 1.1.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FreeCADFreeCAD0.19 to before 1.1.11.1.1Patch availableCNA
  • FreeCAD VendorFreeCAD Affected 0.19 to before 1.1.1 Fixed in 1.1.1 Patch available CNA

Remediation

  • Fix · CNA FreeCAD (FreeCAD) Fixed in 1.1.1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34399

References

Other 2

  • TI-2026-51370 FreeCAD: FEM formula incomplete escape CVSS 4.0HIGH 8.5
  • TI-2026-51371 Path traversal in FreeCAD CVSS 3.1HIGH 7.8
  • TI-2026-26684 FreeCAD: Arbitrary Code Execution via eval() on untrusted project file metadata in BIM Workbench CVSS 3.1HIGH 7.8
  • TI-2026-27033 FreeCAD: Arbitrary code execution via unsandboxed PyImport_ImportModule in PropertyPythonObject::Restore CVSS 3.1HIGH 7.0
  • TI-2026-51372 FreeCAD: XXE file read and SSRF via external entity injection in Document.xml SAX parser CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences