CVE-2022-21187

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.

• CWE-88

• https://github.com/vcs-python/libvcs/blob/v0.11.1/CHANGES%23libvcs-0111-2022-03-12Release Notes, Third Party Advisory
• https://github.com/vcs-python/libvcs/pull/306Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-PYTHON-LIBVCS-2421204Third Party Advisory
• https://github.com/vcs-python/libvcs/blob/v0.11.1/CHANGES%23libvcs-0111-2022-03-12Release Notes, Third Party Advisory
• https://github.com/vcs-python/libvcs/pull/306Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-PYTHON-LIBVCS-2421204Third Party Advisory

Published

Mar 14, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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