{"id":"ECHO-1fd9-6799-b020","upstream":["CVE-2021-26701","GHSA-ghhp-997w-qr28"],"severity":[],"modified":"2026-09-17T08:05:27.486Z","affected":[{"package":{"ecosystem":"Echo:NuGet","name":"System.Text.Encodings.Web","purl":"pkg:nuget/System.Text.Encodings.Web"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0+echo.1"}]}]}],"references":[{"type":"WEB","url":"https://advisory.echohq.com/cve/CVE-2021-26701"},{"type":"WEB","url":"https://github.com/advisories/GHSA-ghhp-997w-qr28"}]}