Vulnerability · Published Jul 28, 2026 · Assigned by GitHub_M

CVE-2026-54691datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects

High 8.2

In plain English

A high-severity server-side request forgery in datamodel-code-generator from koxudaxi. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 82.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

datamodel-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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIdatamodel-code-generator0.61.0GHSA-rfr2-mq9m-x2qx
PyPIdatamodel-code-generator0.61.0PYSEC-2026-3564

Affected products (as reported)

VendorProductVersions
koxudaxi datamodel-code-generator >= 0.9.1, < 0.61.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

References