{"id":"DEBIAN-CVE-2026-54706","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.","modified":"2026-09-12T10:00:20.762575296Z","published":"2026-07-31T17:16:33.723Z","upstream":["CVE-2026-54706"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-54706"}],"affected":[{"package":{"name":"onionshare","ecosystem":"Debian:12","purl":"pkg:deb/debian/onionshare?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6-4","2.6-5","2.6-5~deb12u1","2.6-6","2.6-7","2.6.2-1","2.6.2-2","2.6.2-3","2.6.2-4","2.6.2-5","2.6.3-1","2.6.3-2","2.6.3-3","2.6.3-4","2.6.4-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54706.json"}},{"package":{"name":"onionshare","ecosystem":"Debian:13","purl":"pkg:deb/debian/onionshare?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.3-1+deb13u2"}]}],"versions":["2.6.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54706.json"}},{"package":{"name":"onionshare","ecosystem":"Debian:14","purl":"pkg:deb/debian/onionshare?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.4-1"}]}],"versions":["2.6.3-1","2.6.3-2","2.6.3-3","2.6.3-4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-54706.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N"}]}