Information disclosure vulnerability in OnionShare
An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | onionshare-cli | >= 2.3, < 2.4 | 2.4 |
References
- Weakness (CWE)
CWE-200- Platform
- Python (PyPI)
- Package
onionshare-cli- Disclosed
- 19.11.2021
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-696 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-6rvj-pw9w-jcvc - CC BY 4.0
Vulnerability history: onionshare-cli
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 13
- First → latest
- 11.2021 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 10
Disclosures per year
- 2021: 2
- 2022: 9
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 2
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Information disclosure vulnerability in OnionShare this entry
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