CVE-2026-34398

HIGH 7.8

FreeCAD: Arbitrary Code Execution via eval() on untrusted project file metadata in BIM Workbench

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

FreeCAD is a free and open-source multiplatform 3D parametric modeler. From 0.19 until 1.1.1, src/Mod/BIM/bimcommands/BimProjectManager.py in the BIM Project Manager Load Template flow passes attacker-controlled FCStd Meta property values for wpposition, wpu, wpv, and wpaxis directly to eval(), allowing arbitrary Python code execution when a user loads a malicious BIM project template. This issue is fixed in version 1.1.1.

CWE	CWE-95
Vendor	freecad
Product	freecad
Published	Aug 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

FreeCAD / FreeCAD

>= 0.19, < 1.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FreeCAD/FreeCAD/security/advisories/GHSA-8rfj-7956-6gwf github.com: https://github.com/FreeCAD/FreeCAD/pull/28610 github.com: https://github.com/FreeCAD/FreeCAD/commit/871ee19b76224910332bbfbd39eebbede967998b github.com: https://github.com/FreeCAD/FreeCAD/commit/9ed351cc4700db0a94c46f020c34c58bbf1bdaba github.com: https://github.com/FreeCAD/FreeCAD/releases/tag/1.1.1