CVE-2021-41868: PYSEC-2026-434 - Remote unauthenticated attackers able to upload files in Onionshare

CVE-2021-41868 · Severity: low · CVSS 3.1 · Published 2026-06-29

Remote unauthenticated attackers able to upload files in Onionshare

Technologies: onionshare-cli (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2021-41868 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-41868 being exploited in the wild.
How severe is CVE-2021-41868?
Low severity, with a CVSS score of 3.1, published 29 June 2026.
Which products and versions are affected?
onionshare-cli (PyPI) ECOSYSTEM:introduced=2.3,fixed=2.4.
Is there a fix for CVE-2021-41868?
Yes. onionshare-cli (PyPI): upgrade to 2.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-41868?
Check whether you run onionshare-cli (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • onionshare-cli (PyPI): upgrade to 2.4 or later
    pip install "onionshare-cli>=2.4"

Affected products

  • onionshare-cli (PyPI) ECOSYSTEM:introduced=2.3,fixed=2.4

Identifiers

  • CVE-2021-41868
  • GHSA-7g47-xxff-9p85
  • PYSEC-2026-434

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