Python StateMachine versions 3.0.0 before 3.2.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary code by supplying malicious SCXML documents containing crafted <data expr="..."> attributes evaluated unsafely. The SCXMLProcessor passes attacker-controlled expression strings through a call chain ending in Python's built-in eval() without sandboxing, enabling arbitrary code execution in the context of the hosting process.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-95"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47103.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.2.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"original_tag": "v3.2.0",
"range": [
{
"fixed": "4fa6b2872580a5c0571d4c899a1802dea7513253"
}
],
"source": "REFERENCES_TAG"
},
{
"cpe": "cpe:2.3:a:fgmacedo:python_statemachine:*:*:*:*:*:python:*:*",
"range": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.2.0"
}
],
"source": "CPE_RANGE"
}
]
}