{"action":"Upgrade php83 to 8.3.36-r0 or later.","affected":[{"fixed":"8.3.36-r0","introduced":"0"}],"component":"php83","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["8.3.36-r0"],"id":"tcs_01M6HAXHZMPTK1JQM981KXS2B2","modified_at":"2026-11-03T06:33:04.556414929Z","published_at":"2026-09-25T22:18:49.807Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-91768","https://security.alpinelinux.org/vuln/CVE-2026-91768"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-91768#Alpine:v3.23/php83","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-91768"}],"summary":"The IPv6 branch of the FastCGI client access check compares only the first 12 bytes of a 16-byte IPv6 address, so listen.allowed_clients matches on a /96 prefix instead of the exact address. An attack"}