CVE-2026-93749: source-map-js through 1.2.1 Event Loop Denial of Service

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-25

EPSS Score

0.63% (percentile: 47.9%)

Affected Products (1)

Other

• 19693-17084

Revision History

• 2026-09-25: Information published.