{"id":"CVE-2026-47103","aliases":["GHSA-v4jc-pm6r-3vj8","PYSEC-2026-506"],"url":"https://o3.security/vulnerability/CVE-2026-47103","summary":"Python StateMachine 3.0.0 < 3.2.0 RCE via SCXML eval() Injection","details":"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.","published":"2026-06-17T14:32:08.180Z","modified":"2026-08-05T03:32:17.384017958Z","cvss":null,"epss":{"score":0.01173,"percentile":0.64505,"asOf":"2026-08-10"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"python-statemachine","fixedVersion":"3.2.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47103.json"},{"type":"ADVISORY","url":"https://github.com/fgmacedo/python-statemachine/releases/tag/v3.2.0"},{"type":"ADVISORY","url":"https://github.com/fgmacedo/python-statemachine/security/advisories/GHSA-v4jc-pm6r-3vj8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47103"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/python-statemachine-rce-via-scxml-eval-injection"},{"type":"PACKAGE","url":"https://github.com/fgmacedo/python-statemachine"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-05T03:32:17.384017958Z"}}