CVE-2026-46606

{"id": "CVE-2026-46606", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-46606", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-25T18:29:22.087082Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "nicolargo", "product": "glances", "versions": [{"status": "affected", "version": "< 4.5.5"}]}]}], "published": "2026-06-25T19:16:37.380", "references": [{"url": "https://github.com/nicolargo/glances/releases/tag/v4.5.5", "source": "security-advisories@github.com"}, {"url": "https://github.com/nicolargo/glances/security/advisories/GHSA-v5r2-qh84-fjx5", "source": "security-advisories@github.com"}, {"url": "https://github.com/nicolargo/glances/security/advisories/GHSA-v5r2-qh84-fjx5", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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 \u2014 commonly root on hypervisor hosts. This vulnerability is fixed in 4.5.5."}, {"lang": "es", "value": "Glances es una herramienta de monitorizaci\u00f3n de sistema multiplataforma de c\u00f3digo abierto. Antes de la versi\u00f3n 4.5.5, el motor de monitorizaci\u00f3n KVM/QEMU de Glances (glances/plugins/vms/engines/virsh.py) pasa nombres de dominio de m\u00e1quina virtual (VM), le\u00eddos directamente de la salida de \u2019virsh list --all\u2019, a plantillas de comandos f-string que son procesadas por secure_popen(). secure_popen() est\u00e1 expl\u00edcitamente dise\u00f1ado para interpretar &&, |, y > como operadores de shell. Debido a que los nombres de dominio nunca se sanean antes de la interpolaci\u00f3n, cualquier usuario con la capacidad de crear o renombrar una m\u00e1quina virtual KVM/QEMU puede ejecutar comandos arbitrarios como el usuario del sistema operativo que ejecuta Glances - com\u00fanmente root en hosts de hipervisor. Esta vulnerabilidad se corrige en la versi\u00f3n 4.5.5."}], "lastModified": "2026-10-25T22:10:00.150", "sourceIdentifier": "security-advisories@github.com"}