{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-47103: Python StateMachine 3.0.0 < 3.2.0 RCE via SCXML eval() Injection","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-47103","status":"final","version":"1","initial_release_date":"2026-06-17T14:32:08.180Z","current_release_date":"2026-06-17T14:55:23.045Z","revision_history":[{"date":"2026-06-17T14:32:08.180Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-47103 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-47103"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-47103"},{"category":"external","summary":"github.com","url":"https://github.com/fgmacedo/python-statemachine/releases/tag/v3.2.0"},{"category":"external","summary":"github.com","url":"https://github.com/fgmacedo/python-statemachine/security/advisories/GHSA-v4jc-pm6r-3vj8"},{"category":"external","summary":"vulncheck.com","url":"https://www.vulncheck.com/advisories/python-statemachine-rce-via-scxml-eval-injection"}]},"product_tree":{"branches":[{"category":"vendor","name":"fgmacedo","branches":[{"category":"product_name","name":"python-statemachine","branches":[{"category":"product_version_range","name":">=3.0.0 <3.2.0","product":{"name":"fgmacedo python-statemachine >=3.0.0 <3.2.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:fgmacedo:python-statemachine:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-47103","title":"Python StateMachine 3.0.0 < 3.2.0 RCE via SCXML eval() Injection","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"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","baseScore":9.3,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 3.2.0.","product_ids":["CSAFPID-1"]}]}]}