CVE-2023-47204

9.8 criticalEPSS 0.8%

Critical (9.8) in toumorokoshi transmute-core. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in transmute-core 1.13.5.

Unsafe YAML deserialization in yaml.Loader in transmute-core before 1.13.5 allows attackers to execute arbitrary Python code.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2023-11-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-w9cp-3x79-2p8p	PyPI	transmute-core	<1.13.5	1.13.5
PYSEC-2023-223	PyPI	transmute-core	<1.13.5	1.13.5