Main Vulnerability Database Vulnerabilities #VU139917

Input validation error in Freecad - CVE-2026-73233

Published: July 28, 2026 / Updated: August 13, 2026

Vulnerability identifier: #VU139917

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-73233

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incomplete escape in the FEM Displacement Constraint task dialog. A remote attacker can execute arbitrary code on the target system.

Affected software

Freecad
Debian Linux
freecad (Debian package)

How to mitigate CVE-2026-73233

Install updates from vendor's website.

Freecad - update to 1.1.2
freecad (Debian package) - update to 1.0.0+dfsg-8+deb13u3

Links to Public Exploits and PoC-codes

Exploit #12858 - FEM formula incomplete escape (July 28, 2026)

External References

https://github.com/FreeCAD/FreeCAD/security/advisories/GHSA-2rq3-gx3h-489q