CVE-2026-5027

{"id": "CVE-2026-5027", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "vulnreport@tenable.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/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": 2.8}]}, "published": "2026-03-27T15:17:04.743", "references": [{"url": "https://www.tenable.com/security/research/tra-2026-26", "source": "vulnreport@tenable.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "vulnreport@tenable.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences ('../')."}], "lastModified": "2026-03-30T13:26:29.793", "sourceIdentifier": "vulnreport@tenable.com"}