CVE-2026-46606
Reported by GitHub_M · Published June 25, 2026
Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances KVM/QEMU monitoring engine (glances/plugins/vms/engines/virsh.py) passes VM domain names, read directly from virsh list --all output, into f-string command templates that are processed by secure_popen(). secure_popen() is explicitly designed to interpret &&, |, and > as shell operators. Because domain names are never sanitised before interpolation, any user with the ability to create or rename a KVM/QEMU virtual machine can execute arbitrary commands as the OS user running Glances — commonly root on hypervisor hosts. This vulnerability is fixed in 4.5.5.
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| nicolargo | glances | < 4.5.5 |
| PyPI | Glances | 0 |
| nicolargo | glances | < 4.5.5, < 4.5.5 |
Timeline
- Jun 22, 2026 CVE Published
- Jun 26, 2026 Coalition ESS Score
- Jun 26, 2026 Security Advisory
- Jul 13, 2026 CVE Updated
- Aug 7, 2026 EPSS Score
- Aug 24, 2026 EPSS Score
- Sep 5, 2026 EPSS Score
References
- https://github.com/nicolargo/glances/security/advisories/GHSA-v5r2-qh84-fjx5 x_refsource_CONFIRM
- https://github.com/nicolargo/glances/releases/tag/v4.5.5 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-46606 advisory
- https://github.com/advisories/GHSA-v5r2-qh84-fjx5 advisory
- https://github.com/nicolargo/glances url
- https://github.com/pypa/advisory-database/tree/main/vulns/glances/PYSEC-2026-2497.yaml advisory
- https://pypi.org/project/glances url