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Vulnerability record · CVE-2026-34398 · published 17 August 2026

CVE-2026-34398: FreeCAD is a free and open-source multiplatform 3D parametric modeler.

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.

7.8 CVSS 3.1 High EPSS 0.22% · top 88.3% CWE-95 · CWE-95 Awaiting Analysis
7.8CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
9 Sep 2026Last modified by NVD

Description

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.

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

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-34398), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.