{"action":"Upgrade element-web to 1.8.4-r0 or later.","affected":[{"fixed":"1.8.4-r0","introduced":"0"}],"component":"element-web","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["1.8.4-r0"],"id":"tcs_01M6GWACZY06HGHR0J3JBK8T6V","modified_at":"2026-11-03T06:32:41.355375205Z","published_at":"2021-09-13T19:15:19.340Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-40824","https://security.alpinelinux.org/vuln/CVE-2021-40824"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-40824#Alpine:v3.23/element-web","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-40824"}],"summary":"A logic error in the room key sharing functionality of Element Android before 1.2.2 and matrix-android-sdk2 (aka Matrix SDK for Android) before 1.2.2 allows a malicious Matrix homeserver present in an"}