{"id":"CVE-2026-54706","aliases":["GHSA-22p9-r2f5-22mf","PYSEC-2026-3585"],"url":"https://o3.security/vulnerability/CVE-2026-54706","summary":"OnionShare follows symlinks in shared directories, allowing unintended disclosure of local files","details":"OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Prior to 2.6.4, OnionShare CLI/Desktop follows symbolic links in cli/onionshare_cli/web/send_base_mode.py through SendBaseModeWeb.set_file_info() and stream_individual_file(), allowing remote recipients of Share or Website mode to read local files outside the selected directory. This issue is fixed in version 2.6.4.","published":"2026-07-31T16:30:58.062Z","modified":"2026-09-12T03:30:30.264156669Z","cvss":{"score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N"},"epss":{"score":0.003,"percentile":0.22652,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"onionshare-cli","fixedVersion":"2.6.4"}],"fix":{"url":"https://github.com/onionshare/onionshare/commit/48f31cfac077fcc9c04c67c2a6dbf87d956f5eec","label":"onionshare/onionshare@48f31cf"},"references":[{"type":"WEB","url":"https://github.com/onionshare/onionshare/releases/tag/v2.6.4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54706.json"},{"type":"ADVISORY","url":"https://github.com/onionshare/onionshare/security/advisories/GHSA-22p9-r2f5-22mf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54706"},{"type":"FIX","url":"https://github.com/onionshare/onionshare/commit/48f31cfac077fcc9c04c67c2a6dbf87d956f5eec"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-12T03:30:30.264156669Z"}}