{"id":"CVE-2021-41867","aliases":["GHSA-6rvj-pw9w-jcvc","PYSEC-2026-696"],"url":"https://o3.security/vulnerability/CVE-2021-41867","summary":"Information disclosure vulnerability in OnionShare","details":"An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.","published":"2021-10-04T14:15:07.693Z","modified":"2026-08-07T16:57:48.106530Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"onionshare-cli","fixedVersion":"2.4"}],"fix":null,"references":[{"type":"FIX","url":"https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4"},{"type":"EVIDENCE","url":"https://www.ihteam.net/advisory/onionshare/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T16:57:48.106530Z"}}