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        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-07-28T16:06:49.773Z",
        "datePublished": "2026-07-29T15:50:53.320Z",
        "dateUpdated": "2026-08-14T16:50:47.374Z"
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            "title": "Xlight FTP Server < 3.9.5 Pre-Auth Heap Buffer Overflow via SSH Parser",
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                    "value": "Xlight FTP Server before 3.9.5 contains a pre-authentication heap buffer overflow vulnerability that allows remote unauthenticated attackers to write past the end of a heap buffer by sending a malformed SSH client identification string. A logic error in the recv loop's termination condition uses an incorrect OR operator where an AND operator is required, enabling exploitation on any SSH or SFTP connection before authentication occurs."
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                            "cweId": "CWE-122",
                            "description": "Heap-based Buffer Overflow",
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                        "privilegesRequired": "NONE",
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                        "subConfidentialityImpact": "NONE",
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                    "url": "https://www.xlightftpd.com/whatsnew.htm",
                    "name": "Changelog",
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                {
                    "lang": "en",
                    "value": "McCaulay Hudson (@_McCaulay) of watchTowr",
                    "type": "finder"
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            "source": {
                "discovery": "UNKNOWN"
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                            "content": {
                                "timestamp": "2026-07-29T16:32:16.525609Z",
                                "id": "CVE-2026-67191",
                                "options": [
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                                        "Exploitation": "none"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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