CVE-2026-42945: NGINX ngx_http_rewrite_module 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-May
Released
2026-05-16
Last Updated
2026-05-17
EPSS Score
61.47% (percentile: 99.1%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 42 repositories

Affected Products (1)

Open Source Software

  • azl3 nginx 1.28.3-1 on Azure Linux 3.0

Revision History

  • 2026-05-16: Information published.
  • 2026-05-17: Information published.