CVE-2026-44728

Improper Control of Generation of Code when compiling specifically crafted malicious code with @babel/plugin-transform-modules-systemjs

Published: May 26, 2026Updated: Jul 24, 2026 Sources: CVE List NVDCWE-94

8.2HIGH

Description

Babel is a compiler for writing next generation JavaScript. From 7.12.0 to before 7.29.4 and 8.0.0-alpha.13, using Babel to compile code that was specifically crafted by an attacker can cause Babel to generate output code that executes arbitrary code. This vulnerability is fixed in 7.29.4 and 8.0.0-alpha.13.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-94 CWE-843

Affected Products

babel

oss-project

babelLibrary

OSS Libraries / generic-library

@babel

oss-projectaka babel

plugin-transform-modules-systemjsLibrary

OSS Libraries / npm

Exploitability

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques

Execution

Initial Access

Privilege Escalation

View detailed technique mapping

References

https://github.com/babel/babel/security/advisories/GHSA-fv7c-fp4j-7gwp

github.com

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