CVE-2022-21187: Libvcs Project Libvcs

Critical severity, CVSS 9.8. EPSS: 3.6% chance of exploitation in the next 30 days.

The package libvcs before 0.11.1 are vulnerable to Command Injection via argument injection. When calling the update_repo function (when using hg), the url parameter is passed to the hg clone command. By injecting some hg options it was possible to get arbitrary command execution.

Affected products

• Libvcs Project Libvcs: before 0.11.1 (fixed in 0.11.1)

Published 2022-03-14. Last modified 2026-06-17.