CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-41868
Critical (9.8) in onionshare onionshare. EPSS 2.4% chance of exploitation in the next 30 days. Fixed in onionshare-cli 2.4.
OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.
Severity
- EPSS
- 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- onionshare:onionshare
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-7g47-xxff-9p85 | PyPI | onionshare-cli | >=2.3 <2.4 | 2.4 |
| PYSEC-2026-434 | PyPI | onionshare-cli | >=2.3 <2.4 | 2.4 |