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Fencer Vulns
critical 9.0

CVE-2023-6730 json

Deserialization of Untrusted Data in huggingface/transformers

published 2023-12-19 2 y ago modified 2026-06-17 4 mo ago also GHSA-3863-2447-669p , PYSEC-2023-300 , EUVD-2023-0300

cvss
9.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Deserialization of Untrusted Data in GitHub repository huggingface/transformers prior to 4.36.

Patch / fix

  • pypi transformers 4.36.0
  • huggingface huggingface/transformers 4.36

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.com https://huntr.com/bounties/423611ee-7a2a-442a-babb-3ed2f8385c16 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.0 9.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi transformers
<4.36.0
4.36.0

Affected products

  • huggingface huggingface/transformers

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

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.