Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | onionshare | 2.5-1 | — |
| Debian 13 | onionshare | 2.5-1 | — |
| Debian 12 | onionshare | 2.5-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | onionshare | No fix yet | — |
| Ubuntu Pro 20.04 LTS | onionshare | No fix yet | — |
| Ubuntu Pro 18.04 LTS | onionshare | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | onionshare | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-onionshare | 2.4-1.1 | openSUSE-SU-2024:11557-1 |
| openSUSE Tumbleweed | python3-onionshare | 2.6-4.1 | openSUSE-SU-2024:13635-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | onionshare-cli | >= 2.3, < 2.4 | 2.4 | GHSA-6rvj-pw9w-jcvc |
Advisories 2
- openSUSE-SU-2024:11557-1 python-onionshare-2.4-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13635-1 python3-onionshare-2.6-4.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026