What is CVE-2026-54621?

CVE-2026-54621 is a high-severity vulnerability in Koxudaxi Datamodel-code-generator, classified under Code Injection. CVSS score: 7.8/10. Published 2026-07-28.

How severe is CVE-2026-54621?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Koxudaxi Datamodel-code-generator

CVE-2026-54621

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodel_code_generator/model/template/UnionTypeStatement.jinja2 and src/datamodel_code_generator/mode…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Koxudaxi Datamodel-code-generator — versions >= 0.25.0, < 0.60.1

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-54621?: CVE-2026-54621 is a high-severity vulnerability in Koxudaxi Datamodel-code-generator, classified under Code Injection. CVSS score: 7.8/10. Published 2026-07-28.
How severe is CVE-2026-54621?: High severity. CVSS v3 base score is 7.8 out of 10.