CVE-2023-47204 json
transmute-core unsafe YAML deserialization vulnerability
published 2023-11-02 3 y ago modified 2026-06-17 4 mo ago also GHSA-w9cp-3x79-2p8p , PYSEC-2023-223 , EUVD-2023-0249
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
Unsafe YAML deserialization in yaml.Loader in transmute-core before 1.13.5 allows attackers to execute arbitrary Python code.
Patch / fix
- pypi transmute-core 1.13.5
- toumorokoshi transmute-core 1.13.5
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | transmute-core | <1.13.5 |
1.13.5 |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/toumorokoshi/transmute-core/pull/58
web, issue-tracking, patch
-
github.com
/toumorokoshi/transmute-core/commit/29bf82eb8ed9926d31eec90aec482ecc0dcb23f0
web
-
github.com
/toumorokoshi/transmute-core/releases/tag/v1.13.5
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2023-47204
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/transmute-core/PYSEC-2023-223.yaml
web
-
github.com
/toumorokoshi/transmute-core
package
-
github.com
/advisories/GHSA-w9cp-3x79-2p8p
advisory
Sources
- CVE List CVE-2023-47204
- GitHub Advisory GHSA-w9cp-3x79-2p8p
- NVD CVE-2023-47204
- OSV PYSEC-2023-223
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.