CVE-2021-41868
CRITICAL9.8EPSS 0.71%Remote unauthenticated attackers able to upload files in Onionshare
Published: 11/19/2021Modified: 5/14/2026
Description
OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.
Affected packages (2)
- Debian/onionsharefrom 0
- PyPI/onionshare-cli>= 2.3, < 2.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-41868
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-41868
- PATCHhttps://github.com/onionshare/onionshare
- WEBhttps://github.com/onionshare/onionshare/issues/1396
- WEBhttps://github.com/onionshare/onionshare/pull/1404
- WEBhttps://www.ihteam.net/advisory/onionshare