{"id":"CLEANSTART-2024-EF11123","summary":"Synapse is a package for Matrix homeservers written in Python 3/Twisted","details":"Security vulnerability affects the synapse package. Synapse is a package for Matrix homeservers written in Python 3/Twisted.","modified":"2026-10-31T16:00:02.511944801Z","published":"2026-10-31T14:03:56.522270Z","upstream":["CVE-2021-41281"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-EF11123.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2021-41281"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41281"}],"affected":[{"package":{"name":"synapse","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/synapse"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.47.1-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-EF11123.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}