PT-2026-50440 · Pypi · Statemachine
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Python StateMachine versions 3.0.0 through 3.1.x
Description
An issue exists where the library evaluates expressions from SCXML documents unsafely. The
SCXMLProcessor passes attacker-controlled expression strings from <data expr="..."> attributes through a call chain into Python's built-in eval() function without sandboxing. This allows for remote code execution in the context of the hosting process when a malicious SCXML document is parsed.Recommendations
Update to version 3.2.0.
Exploit
Fix
RCE
Code Injection
Eval Injection
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Related Identifiers
Affected Products
Statemachine