CVE-2023-47204

Name: CVE-2023-47204
Creator: NVD / NIST
Published: 2023-11-02T06:15:08.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2023-47204 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Unsafe YAML deserialization in yaml.Loader in transmute-core before 1.13.5 allows attackers to execute arbitrary Python code.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.80%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Toumorokoshi	Transmute-Core	< 1.13.5

References

https://github.com/toumorokoshi/transmute-core/pull/58Issue Tracking, Patch
https://github.com/toumorokoshi/transmute-core/releases/tag/v1.13.5Release Notes
https://github.com/toumorokoshi/transmute-core/pull/58Issue Tracking, Patch
https://github.com/toumorokoshi/transmute-core/releases/tag/v1.13.5Release Notes

Timeline

Published: Nov 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-47204?

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

How severe is CVE-2023-47204?

CVE-2023-47204 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2023-47204?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-47204?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST