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

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

• GHSA-fv7c-fp4j-7gwp
• CVE-2026-44728
• CWE-843
• CWE-94
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Babel vulnerable to arbitrary code execution when compiling specifically crafted malicious code - CVE-2023-45133
• Flowise: Remote code execution vulnerability in AirtableAgent.ts caused by lack of input verification when using `Pandas - CVE-2026-41138
• Electerm runWidget has a path traversal that leads to arbitrary code execution - CVE-2026-43940
• eslint-config-prettier, eslint-plugin-prettier, synckit, @pkgr/core, napi-postinstall have embedded malicious code - CVE-2025-54313

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Tags:

npm

@babel/plugin-transform-modules-systemjs