What is CVE-2026-47103?

CVE-2026-47103 is a critical-severity vulnerability in Fgmacedo Python-statemachine, classified under Eval Injection. CVSS score: 9.8/10. Published 2026-06-17.

How severe is CVE-2026-47103?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Fgmacedo Python-statemachine

CVE-2026-47103

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 evaluat…

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fgmacedo Python-statemachine — versions 3.0.0

Weakness classification (CWE)

CWE-95 — Eval Injection

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-47103?: CVE-2026-47103 is a critical-severity vulnerability in Fgmacedo Python-statemachine, classified under Eval Injection. CVSS score: 9.8/10. Published 2026-06-17.
How severe is CVE-2026-47103?: Critical severity. CVSS v3 base score is 9.8 out of 10.