datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-54691
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-28 22:17:40 UTC
Updated2026-07-30 20:02:44 UTC
Descriptiondatamodel-code-generator generates Python data models from schema definitions. From 0.9.1 until 0.61.0, src/datamodel_code_generator/http.py http.get_body accepts --url targets and redirect chain targets without host/IP validation, allowing server-side request forgery against loopback, private, link-local, metadata, and other network-accessible resources. This issue is fixed in version 0.61.0.

Risk And Classification

Primary CVSS: v3.1 8.2 HIGH from [email protected]

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

EPSS: 0.002090000 probability, percentile 0.112540000 (date 2026-08-01)

Problem Types: CWE-918 | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
3.1CNADECLARED8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Koxudaxi Datamodel-code-generator affected >= 0.9.1, < 0.61.0 Not specified

References

ReferenceSourceLinkTags
github.com/koxudaxi/datamodel-code-generator/releases/tag/0.61.0 [email protected] github.com
github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-rf... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/koxudaxi/datamodel-code-generator/commit/5fdba4a09f2d7a9996a5... [email protected] github.com
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