CVE-2026-54707: Onionshare

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

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 does not enforce the Receive mode disable_files setting in cli/onionshare_cli/web/receive_mode.py, where ReceiveModeRequest._get_file_stream() writes multipart file[] data to disk despite the text-only setting. This issue is fixed in version 2.6.4.

Affected products

• Onionshare Onionshare: before 2.6.4 (fixed in 2.6.4)

Published 2026-07-31. Last modified 2026-09-10.