What is CVE-2026-44728?

CVE-2026-44728 is a high-severity vulnerability in @Babel Plugin-transform-modules-systemjs, classified under Code Injection. CVSS score: 8.2/10. Published 2026-05-26.

How severe is CVE-2026-44728?

High severity. CVSS v3 base score is 8.2 out of 10.

RCE in @Babel Plugin-transform-modules-systemjs

CVE-2026-44728

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 arb…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

@Babel Plugin-transform-modules-systemjs — versions >= 7.12.0, < 7.29.4, >= 8.0.0-alpha.0, < 8.0.0-alpha.13
Babel — versions >= 8.0.0-alpha.0, < 8.0.0-alpha.13, >= 7.12.0, < 7.29.4, 8.0.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44728?: CVE-2026-44728 is a high-severity vulnerability in @Babel Plugin-transform-modules-systemjs, classified under Code Injection. CVSS score: 8.2/10. Published 2026-05-26.
How severe is CVE-2026-44728?: High severity. CVSS v3 base score is 8.2 out of 10.