{"id":"GHSA-7g47-xxff-9p85","summary":"Remote unauthenticated attackers able to upload files in Onionshare","details":"OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality. ","aliases":["CVE-2021-41868","PYSEC-2026-434"],"modified":"2026-06-29T12:26:25.962586937Z","published":"2021-11-19T20:39:44Z","database_specific":{"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2021-10-05T15:16:37Z","nvd_published_at":"2021-10-04T14:15:00Z","cwe_ids":[]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41868"},{"type":"WEB","url":"https://github.com/onionshare/onionshare/issues/1396"},{"type":"WEB","url":"https://github.com/onionshare/onionshare/pull/1404"},{"type":"PACKAGE","url":"https://github.com/onionshare/onionshare"},{"type":"WEB","url":"https://www.ihteam.net/advisory/onionshare"}],"affected":[{"package":{"name":"onionshare-cli","ecosystem":"PyPI","purl":"pkg:pypi/onionshare-cli"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3"},{"fixed":"2.4"}]}],"versions":["2.3","2.3.1","2.3.2","2.3.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-7g47-xxff-9p85/GHSA-7g47-xxff-9p85.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}