CVE-2026-54691 datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects
Attackers can exploit the --url flag to perform server-side request forgery, accessing internal network resources and metadata services.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-54691?
CVE-2026-54691 is a high-severity server-side request forgery vulnerability in koxudaxi datamodel-code-generator, published on 28 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-918
Which versions are affected by CVE-2026-54691?
3 open source packages ship an affected version, including datamodel-code-generator.
| Package | Affected | Fixed in |
|---|---|---|
datamodel-code-generator PyPI | From 0.9.1 | 0.61.0 |
datamodel-code-generator PyPI | From 0.9.1 | 0.61.0 |
datamodel-code-generator PyPI | From 0.9.1 | 0.61.0 |
How do I fix CVE-2026-54691?
Upgrade datamodel-code-generator to 0.61.0 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-54691 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-54691 exists.
Sources
Also known as GHSA-rfr2-mq9m-x2qx, MINI-x4q8-2rhc-3q8h, PYSEC-2026-3564.