CVE-2026-93479: NGINX Map directive and Regex matching vulnerability

Overview

Severity

High (CVSS 8.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-17

EPSS Score

0.55% (percentile: 45.0%)

Affected Products (1)

Other

• 0-17084

Revision History

• 2026-10-17: Information published.