Vulnerability library
Security checkJune 08, 2026

@babel/plugin-transform-modules-systemjs generates arbitrary code when compiling malicious input

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Description

Using Babel to compile code that was specifically crafted by an attacker can cause Babel to generate output code that executes arbitrary code.

Recommendation

Update the @babel/plugin-transform-modules-systemjs package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 8.0.0-alpha.0, <= 8.0.0-alpha.12 >= 7.12.0, <= 7.29.3**
  • Patched version(s): **8.0.0-alpha.13 7.29.4**

References

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Related Issues

See something that needs correcting? Let us knowUpdated June 08, 2026