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CVE-2026-48054: OpenZeppelin Contracts Wizard has Code Injection in Generated Hardhat and Foundry Tests via Unsanitized opts.name / opts.uri

June 11, 2026

The OpenZeppelin Contracts Wizard generated Hardhat (test/test.ts) and Foundry (test/<Name>.t.sol) example test files that interpolated user-supplied strings (opts.name, opts.uri) into the test source without escaping. A crafted input could produce a generated test file in which the input string broke out of its surrounding literal and was parsed as code, executing when a developer ran npm test or forge test on the downloaded project.

References

  • github.com/OpenZeppelin/contracts-wizard/commit/ec12c44f8d9e0491eba31037f95b36e98ec58b5f
  • github.com/OpenZeppelin/contracts-wizard/releases/tag/%40openzeppelin%2Fwizard%400.10.9
  • github.com/OpenZeppelin/contracts-wizard/security/advisories/GHSA-4x76-22x2-rx8v
  • github.com/advisories/GHSA-4x76-22x2-rx8v
  • nvd.nist.gov/vuln/detail/CVE-2026-48054

Code Behaviors & Features

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Affected versions

All versions before 0.10.9

Fixed versions

  • 0.10.9

Solution

Upgrade to version 0.10.9 or above.

Impact 8.8 HIGH

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

Learn more about CVSS

Weakness

  • CWE-94: Improper Control of Generation of Code ('Code Injection')

Source file

npm/@openzeppelin/wizard/CVE-2026-48054.yml

Spotted a mistake? Edit the file on GitLab.

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