{"action":"Upgrade php8.4 to 8.4.26-1~deb13u1 or later.","affected":[{"fixed":"8.4.26-1~deb13u1","introduced":"0"}],"component":"php8.4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["8.4.26-1~deb13u1"],"id":"tcs_01M5NWMKM944DSTATFF20WAGKD","modified_at":"2026-10-24T09:47:25.671711495Z","published_at":"2026-09-25T21:17:24.673Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-91766","https://security-tracker.debian.org/tracker/CVE-2026-91766"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-91766#Debian:13/php8.4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-91766"}],"summary":"When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a d"}