{"id":"DEBIAN-CVE-2026-34789","details":"FreeCAD is a free and open-source multiplatform 3D parametric modeler. Prior to 1.1.2, src/App/PropertyPythonObject.cpp in PropertyPythonObject::Restore() passes the attacker-controlled module attribute from serialized PropertyPythonObject XML directly to PyImport_ImportModule() while restoring a crafted FCStd document, which executes module-level Python code, and the legacy pickle branch also imports an attacker-controlled module and invokes its class constructor through PyObject_CallObject(). This issue is fixed in version 1.1.2.","modified":"2026-09-20T05:00:08.771418544Z","published":"2026-08-17T21:16:44.403Z","upstream":["CVE-2026-34789"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-34789"}],"affected":[{"package":{"name":"freecad","ecosystem":"Debian:12","purl":"pkg:deb/debian/freecad?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.20.2+dfsg1-10","0.20.2+dfsg1-4","0.20.2+dfsg1-5","0.20.2+dfsg1-6","0.20.2+dfsg1-7","0.20.2+dfsg1-8","0.20.2+dfsg1-9","0.21.2+dfsg1-1","0.21.2+dfsg1-1~","0.21.2+dfsg1-1~exp2","0.21.2+dfsg1-2","0.21.2+dfsg1-3","0.21.2+dfsg1-3~exp1","0.21.2+dfsg1-3~exp2","0.21.2+dfsg1-4","0.21.2+dfsg1-5","0.21.2+dfsg1-6","1.0.0+dfsg-1~exp1","1.0.0+dfsg-2","1.0.0+dfsg-3","1.0.0+dfsg-4","1.0.0+dfsg-5","1.0.0+dfsg-5~exp1","1.0.0+dfsg-6","1.0.0+dfsg-7","1.0.0+dfsg-8","1.0.2+dfsg-1","1.0.2+dfsg-2","1.0.2+dfsg-3","1.0.2+dfsg-4","1.0.2+dfsg-5","1.0.2+dfsg-6","1.0.2+dfsg-7","1.0.2+dfsg-8~exp1","1.1.0+dfsg-1","1.1.0+dfsg-2","1.1.0+dfsg-2~exp1","1.1.1+dfsg-1","1.1.1+dfsg-2","1.1.1+dfsg-2~exp1","1.1.1+dfsg-3","1.1.3+dfsg-1","1.1.3+dfsg-2","1.1.3+dfsg-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34789.json"}},{"package":{"name":"freecad","ecosystem":"Debian:13","purl":"pkg:deb/debian/freecad?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0+dfsg-8+deb13u3"}]}],"versions":["1.0.0+dfsg-8","1.0.0+dfsg-8+deb13u1","1.0.0+dfsg-8+deb13u2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34789.json"}},{"package":{"name":"freecad","ecosystem":"Debian:14","purl":"pkg:deb/debian/freecad?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3+dfsg-1"}]}],"versions":["1.0.0+dfsg-8","1.0.2+dfsg-1","1.0.2+dfsg-2","1.0.2+dfsg-3","1.0.2+dfsg-4","1.0.2+dfsg-5","1.0.2+dfsg-6","1.0.2+dfsg-7","1.0.2+dfsg-8~exp1","1.1.0+dfsg-1","1.1.0+dfsg-2","1.1.0+dfsg-2~exp1","1.1.1+dfsg-1","1.1.1+dfsg-2","1.1.1+dfsg-2~exp1","1.1.1+dfsg-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-34789.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}