CVE-2026-34399

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

CVE-2026-34399 is fixed in 2 products on 2 platforms, first by FreeCAD 1.1.1, released April 14, 2026. It is not reported as exploited. Patch Radar priority: High.

HighFixed on 2 platforms

CVSS

7.8

high

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

9th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
FreeCAD	1.1.1	FreeCAD 1.1.1	Apr 14, 2026
Linux
freecad · Debian 13.5 (trixie)	1.0.0+dfsg-8+deb13u3	DEBIAN-CVE-2026-34399	Aug 27, 2026
freecad · Debian 14	1.1.1+dfsg-1	DEBIAN-CVE-2026-34399	Aug 27, 2026

Details

Published
August 17, 2026
Weakness
CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-34399

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