{"cve":"CVE-2021-41867","nvd":{"published":"2021-10-04T14:15:07.693","modified":"2026-06-17T04:09:02.117","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":[],"references":["https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4","https://www.ihteam.net/advisory/onionshare/","https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4","https://www.ihteam.net/advisory/onionshare/"],"products":["onionshare:onionshare"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-41867","score":0.01809,"percentile":0.7861,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6rvj-pw9w-jcvc","url":"https://osv.dev/vulnerability/GHSA-6rvj-pw9w-jcvc","summary":"Information disclosure vulnerability in OnionShare","modified":"2026-07-06T08:11:40.637087597Z","packages":[{"ecosystem":"PyPI","name":"onionshare-cli","purl":"pkg:pypi/onionshare-cli","ranges":[">=2.3 <2.4"],"fixed":["2.4"]}]},{"id":"PYSEC-2026-696","url":"https://osv.dev/vulnerability/PYSEC-2026-696","summary":"Information disclosure vulnerability in OnionShare","modified":"2026-07-06T08:00:49.185608625Z","packages":[{"ecosystem":"PyPI","name":"onionshare-cli","purl":"pkg:pypi/onionshare-cli","ranges":[">=2.3 <2.4"],"fixed":["2.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}