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TI-2026-39961 Aliases CVE-2026-55390GHSA-442q-2j6p-642g

Arbitrary local file read via XSD `schemaLocation` (`xs:include`/`xs:import`) path traversal, with no remote-ref gate

Priority HIGH 72CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

datamodel-code-generator generates Python data models from schema definitions. From 0.59.0 until 0.62.0, XML Schema parsing in src/datamodel_code_generator/parser/xmlschema.py for --input-file-type xmlschema resolves xs:include, xs:import, xs:redefine, and xs:override schemaLocation values outside the input base path, allowing arbitrary local files to be read and reflected into generated models. This issue is fixed in version 0.62.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00551 46th percentileScored 2026-11-07
Fix Fixed datamodel-code-generator (koxudaxi): 0.62.0datamodel-code-generator (PyPI): 0.62.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
koxudaxidatamodel-code-generator0.59.0 to before 0.62.00.62.0Patch availableCNA
—datamodel-code-generator (PyPI)0.59.0 to before 0.62.00.62.0Patch availableGHSA-442q-2j6p-642g
  • datamodel-code-generator Vendorkoxudaxi Affected 0.59.0 to before 0.62.0 Fixed in 0.62.0 Patch available CNA
  • datamodel-code-generator (PyPI) Vendor— Affected 0.59.0 to before 0.62.0 Fixed in 0.62.0 Patch available GHSA-442q-2j6p-642g

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:koxudaxi:datamodel-code-generator:*:*:*:*:*:*:*:*——koxudaxi
  • cpe:2.3:a:koxudaxi:datamodel-code-generator:*:*:*:*:*:*:*:* Versions — — ·koxudaxi

Remediation

  • Fix · CNA datamodel-code-generator (koxudaxi) Fixed in 0.62.0
  • Fix · GHSA-442q-2j6p-642g datamodel-code-generator (PyPI) Fixed in 0.62.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-55390
  2. 2026-10-03 Alias added: GHSA-442q-2j6p-642g

References

Other 4

  • TI-2026-84481 Code injection in fastapi-code-generator via OpenAPI route paths CVSS 4.0CRITICAL 9.3
  • TI-2026-84480 Code injection in fastapi-code-generator route docstrings CVSS 4.0CRITICAL 9.3
  • TI-2026-39960 Information disclosure in koxudaxi datamodel-code-generator CVSS 3.1HIGH 7.5
  • TI-2026-39512 datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects CVSS 3.1HIGH 8.2
  • TI-2026-39511 datamodel-code-generator vulnerable to SSRF via JSON-Schema `$ref` to HTTP URL (silent by default) CVSS 3.1HIGH 8.2
  • TI-2026-39483 Code injection in koxudaxi datamodel-code-generator CVSS 3.1HIGH 7.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences