{"action":"Upgrade nginx to 1.26.3-r2 or later.","affected":[{"fixed":"1.26.3-r2","introduced":"0"}],"component":"nginx","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["1.26.3-r2"],"id":"tcs_01M5NFR8V9QT51QNQ2DWQT9EB1","modified_at":"2026-10-01T02:17:49.294981697Z","published_at":"2026-07-15T15:16:33.480Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-42533","https://security.alpinelinux.org/vuln/CVE-2026-42533"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-42533","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-42533"}],"summary":"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 outp"}