{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3838", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2026-03-09T16:02:10.333Z", "datePublished": "2026-03-13T20:37:53.130Z", "dateUpdated": "2026-03-13T20:37:53.130Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2026-03-13T20:37:53.130Z"}, "title": "Unraid Update Request Path Traversal Remote Code Execution Vulnerability", "descriptions": [{"lang": "en", "value": "Unraid Update Request Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the update.php file. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28951."}], "affected": [{"vendor": "Unraid", "product": "Unraid", "versions": [{"version": "7.2.3", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-171/", "name": "ZDI-26-171", "tags": ["x_research-advisory"]}], "dateAssigned": "2026-03-09T16:02:10.603Z", "datePublic": "2026-03-09T23:14:33.729Z", "source": {"lang": "en", "value": "Nicolas Chatelain (Nicocha30)"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}]}}}

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