CVE-2026-49431

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"75973F7C-645A-438C-A03B-C77AAAD20C15", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ZFS_IOC_SET_PROP ioctl, used by zfs-set(8), incorrectly validated the calling user such that an unprivileged user is able to set metadata on a dataset indicating that the dataset has received properties from a zfs-recv(8) stream.\n\nAny local user can set the internal ZFS metadata flag \"$hasrecvd\" on datasets via ZFS_IOC_SET_PROP."}, {"lang": "es", "value": "El ioctl ZFS_IOC_SET_PROP, utilizado por zfs-set(8), valid\u00f3 incorrectamente al usuario que realizaba la llamada, de tal manera que un usuario sin privilegios puede establecer metadatos en un conjunto de datos indicando que el conjunto de datos ha recibido propiedades de un flujo zfs-recv(8).\n\nCualquier usuario local puede establecer la bandera de metadatos interna de ZFS \u2019$hasrecvd\u2019 en conjuntos de datos a trav\u00e9s de ZFS_IOC_SET_PROP."}], "id": "CVE-2026-49431", "lastModified": "2026-11-09T20:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49431", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T17:42:17.209468Z", "version": "2.0.3"}}]}, "published": "2026-08-19T06:17:43.027", "references": [{"source": "secteam@freebsd.org", "tags": ["Vendor Advisory"], "url": 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{}

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