CVE-2026-63720 | datamodel-code-generator prior to version 0.70.0 contains a … | CVSS 7.5 HIGH

Description

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value is emitted verbatim into a generated 'from ... import ...' statement without identifier validation, causing arbitrary Python code to execute when the generated module is imported.

Metadata

CVE ID: CVE-2026-63720
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-17 21:21 UTC
Published: 2026-07-26 03:51 UTC
Last updated: 2026-07-26 03:51 UTC
Primary CWE: CWE-94
Improper Control of Generation of Code ('Code Injection')
Vendor / Product: koxudaxi / datamodel-code-generator
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
koxudaxi	datamodel-code-generator	—	0 < 0.70.0

Weakness (CWE)

CWE	Source	Description
CWE-94	cna	Improper Control of Generation of Code ('Code Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
7.5	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.5	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References (3)