datamodel-code-generator Code Injection via Unvalidated customBasePath Schema Field
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.
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.
Active exploitation of CVE-2026-63720 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the 30 days.
CVE-2026-63720 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.
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