{"id":"PYSEC-2026-434","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","GHSA-7g47-xxff-9p85"],"modified":"2026-07-01T20:22:59.378325Z","published":"2026-06-29T11:50:52.997366Z","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"},{"type":"PACKAGE","url":"https://pypi.org/project/onionshare-cli"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-7g47-xxff-9p85"}],"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/pypa/advisory-database/blob/main/vulns/onionshare-cli/PYSEC-2026-434.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}