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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-34398
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-17 21:16:44 UTC
Updated2026-08-19 04:17:02 UTC
DescriptionFreeCAD 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.001530000 probability, percentile 0.049770000 (date 2026-08-19)

Problem Types: CWE-95 | CWE-95 CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA FreeCAD FreeCAD affected >= 0.19, < 1.1.1 Not specified

References

ReferenceSourceLinkTags
github.com/FreeCAD/FreeCAD/releases/tag/1.1.1 [email protected] github.com
github.com/FreeCAD/FreeCAD/commit/871ee19b76224910332bbfbd39eebbede967998b [email protected] github.com
github.com/FreeCAD/FreeCAD/pull/28610 [email protected] github.com
github.com/FreeCAD/FreeCAD/commit/9ed351cc4700db0a94c46f020c34c58bbf1bdaba [email protected] github.com
github.com/FreeCAD/FreeCAD/security/advisories/GHSA-8rfj-7956-6gwf 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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