Local command execution via unsanitized VM names
Published Jun 25, 2026 · Updated Jun 25, 2026
Command injection in Nicolargo Glances before 4.5.5 allows local users to execute commands through crafted KVM/QEMU domain names. The virsh engine interpolates names from virsh list --all into f-string commands that secure_popen splits on &&, |, and > without sanitization. Exploitation requires VM create or rename rights and an active vms plugin with virsh; injected commands run as the Glances OS account.
Summary
What happened
Command injection in Nicolargo Glances before 4.5.5 allows local users to execute commands through crafted KVM/QEMU domain names. The virsh engine interpolates names from virsh list --all into f-string commands that secure_popen splits on &&, |, and > without sanitization. Exploitation requires VM create or rename rights and an active vms plugin with virsh; injected commands run as the Glances OS account.
The record
- CVE
- CVE-2026-46606
- Published
- Jun 25, 2026
- Updated
- Jun 25, 2026
- Vendor
- Glances Project
- Product
- Glances
- Classifications
- CWE-78, T1059
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 25, 2026CVE publishedPublication date reported by the CVE source.
- Jun 25, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 4.5.5
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Upstream crafted-domain-name proof of conceptfunctional · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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