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PYSEC-2026-696

Information disclosure vulnerability in OnionShare

Quick fix

PYSEC-2026-696 — onionshare-cli: upgrade to the fixed version with the command below.

pip install --upgrade 'onionshare-cli>=2.4'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/onionshare-cli

Introduced in: 2.3Fixed in: 2.4

Fixpip install --upgrade 'onionshare-cli>=2.4'

References

https://nvd.nist.gov/vuln/detail/CVE-2021-41867[ADVISORY]
https://github.com/onionshare/onionshare[PACKAGE]
https://github.com/onionshare/onionshare/compare/v2.3.3...v2.4[WEB]
https://www.ihteam.net/advisory/onionshare[WEB]
https://pypi.org/project/onionshare-cli[PACKAGE]
https://github.com/advisories/GHSA-6rvj-pw9w-jcvc[ADVISORY]