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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The mkdir utility in uutils coreutils incorrectly applies permissions when using the -m flag by creating a directory with umask-derived permissions (typically 0755) before subsequently changing them to the requested mode via a separate chmod system call. In multi-user environments, this introduces a brief window where a directory intended to be private is accessible to other users, potentially leading to unauthorized data access."}], "id": "CVE-2026-35353", "lastModified": "2026-04-22T17:16:37.723", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "security@ubuntu.com", "type": "Secondary"}]}, "published": "2026-04-22T17:16:37.723", "references": [{"source": "security@ubuntu.com", "url": "https://github.com/uutils/coreutils/pull/10036"}, {"source": "security@ubuntu.com", "url": "https://github.com/uutils/coreutils/releases/tag/0.6.0"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "security@ubuntu.com", "type": "Secondary"}]}

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