{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34789", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-30T19:54:55.556Z", "datePublished": "2026-08-17T20:47:52.373Z", "dateUpdated": "2026-08-19T03:56:12.224Z"}, "containers": {"cna": {"title": "FreeCAD: Arbitrary code execution via unsandboxed PyImport_ImportModule in PropertyPythonObject::Restore", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/FreeCAD/FreeCAD/security/advisories/GHSA-493w-pp4h-h77v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/FreeCAD/FreeCAD/security/advisories/GHSA-493w-pp4h-h77v"}, {"name": "https://github.com/FreeCAD/FreeCAD/commit/81b73925ce22610542367301d8eff4259eb9596e", "tags": ["x_refsource_MISC"], "url": "https://github.com/FreeCAD/FreeCAD/commit/81b73925ce22610542367301d8eff4259eb9596e"}, {"name": "https://github.com/FreeCAD/FreeCAD/commit/983037f3003dc31f48db36705b86fb3fbe026295", "tags": ["x_refsource_MISC"], "url": "https://github.com/FreeCAD/FreeCAD/commit/983037f3003dc31f48db36705b86fb3fbe026295"}, {"name": "https://github.com/FreeCAD/FreeCAD/commit/e2dc6c8172673642c6856b8b3a5a6accefb18279", "tags": ["x_refsource_MISC"], "url": "https://github.com/FreeCAD/FreeCAD/commit/e2dc6c8172673642c6856b8b3a5a6accefb18279"}, {"name": "https://github.com/FreeCAD/FreeCAD/releases/tag/1.1.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/FreeCAD/FreeCAD/releases/tag/1.1.2"}], "affected": [{"vendor": "FreeCAD", "product": "FreeCAD", "versions": [{"version": "< 1.1.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T20:47:52.373Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-493w-pp4h-h77v", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/FreeCAD/FreeCAD/security/advisories/GHSA-493w-pp4h-h77v", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-18T00:00:00+00:00", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-34789"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-19T03:56:12.224Z"}}]}}

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{"bugzilla": {"description": "FreeCAD: FreeCAD: Arbitrary code execution via crafted document restoration", "id": "2517629", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517629"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["A flaw was found in FreeCAD, a 3D parametric modeler. A remote attacker could exploit this vulnerability by tricking a user into opening a specially crafted FCStd document. When the document is restored, attacker-controlled module attributes are processed, leading to the execution of arbitrary Python code. This could result in a complete system compromise."], "name": "CVE-2026-34789", "public_date": "2026-08-17T20:47:52Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-34789\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-34789\nhttps://github.com/FreeCAD/FreeCAD/commit/81b73925ce22610542367301d8eff4259eb9596e\nhttps://github.com/FreeCAD/FreeCAD/commit/983037f3003dc31f48db36705b86fb3fbe026295\nhttps://github.com/FreeCAD/FreeCAD/commit/e2dc6c8172673642c6856b8b3a5a6accefb18279\nhttps://github.com/FreeCAD/FreeCAD/releases/tag/1.1.2\nhttps://github.com/FreeCAD/FreeCAD/security/advisories/GHSA-493w-pp4h-h77v"], "statement": "This Important vulnerability in FreeCAD allows for arbitrary code execution when a user opens a specially crafted FCStd document. While user interaction is required, the low attack complexity and potential for complete system compromise elevate the risk, making it more severe than a Moderate flaw.", "threat_severity": "Important"}