CVE-2026-42533

Vendor

F5

Product

NGINX

CVSS

8.1

EPSS

0.008 (p58)

Exposure class

Web platform, Operating system

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 46
   Ubuntu notice Ubuntu 9h ago

   nginx vulnerabilities

   USN-8955-1 fixed vulnerabilities in nginx in Ubuntu 26.10, Ubuntu 26.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 22.04 LTS. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and…

   CVE-2026-42533CVE-2026-15176CVE-2026-93479+3 more Canonical F5
2. 31
   Advisory MSRC 22 Jul 2026

   CVE-2026-42533 NGINX Map directive and Regex matching vulnerability

   Information published.

   CVE-2026-42533 Microsoft F5
3. 27
   CVE NVD 15 Jul 2026

   A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's…

   A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's regex capture variables before referencing the map output variable. Alternatively…

   CVSS 8.1 CVE-2026-42533 F5