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Advisories

datamodel-code-generator Code Injection via Unvalidated customBasePath Schema Field

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severity
high
date
Affecting

  • datamodel-code-generator < 0.70.0

CWE
  • CWE-94 Improper Control of Generation of Code ('Code Injection')
CVSS
7.5
CVSS V4 Vector
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
Credit
Rahul Karne
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.

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