CVEvulnerability
CVE-2026-47103
9.3 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-06-17
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.3 CRITICAL — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-94, CWE-95
Description
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.
Affected configurations
• fgmacedo python statemachine (>= 3.0.0 < 3.2.0)
Related
References
- https://github.com/SaiTeja-Erukude/CVE-2026-47103-python-statemachine-rce github.com
- https://github.com/fgmacedo/python-statemachine/releases/tag/v3.2.0 Release Notes
- https://github.com/fgmacedo/python-statemachine/security/advisories/GHSA-v4jc-pm6r-3vj8 Exploit, Vendor Advisory
- https://www.vulncheck.com/advisories/python-statemachine-rce-via-scxml-eval-injection Third Party Advisory, VDB Entry
- https://github.com/fgmacedo/python-statemachine/security/advisories/GHSA-v4jc-pm6r-3vj8 Exploit, Vendor Advisory