{"id":"CVE-2026-119147","title":"ProFTPD before 1.3.9e and 1.3.10rc5 mod_sftp Copy-File Authorization Bypass","summary":"ProFTPD before 1.3.9e and 1.3.10rc5 contains an authorization bypass in the mod_sftp copy-file extension handler that skips Limit WRITE checks for new destination files. Authenticated SFTP users can copy any readable file to a new path i…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"ProFTPD Project","product":"ProFTPD","affected":["ProFTPD < 1.3.9e","ProFTPD >= 1.3.10rc1 < 1.3.10rc5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:06:55.706673Z"},"published":"2026-10-30","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:07:16.415Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119147","references":[{"url":"https://github.com/proftpd/proftpd/commit/b7d3de4565ae448a510feecd17b41923e44bfe16"},{"url":"https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_sftp/fxp.c#L4748"},{"url":"https://github.com/proftpd/proftpd/releases/tag/v1.3.9e","label":"ProFTPD v1.3.9e Release Notes"},{"url":"https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5","label":"ProFTPD v1.3.10rc5 Release Notes"},{"url":"https://abraxaslabs.tech/research/proftpd-sftp-copy-file-write"},{"url":"https://github.com/proftpd/proftpd"},{"url":"https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-mod-sftp-copy-file-authorization-bypass","label":"VulnCheck Advisory: ProFTPD before 1.3.9e and 1.3.10rc5 mod_sftp Copy-File Authorization Bypass"}],"tags":["cve.org"],"epss":0.00289,"epssPercentile":0.21546,"ingestedAt":"2026-11-03T10:42:03.635Z","slug":"CVE-2026-119147","body":"## Overview\n\nProFTPD before 1.3.9e and 1.3.10rc5 contains an authorization bypass in the mod_sftp copy-file extension handler that skips Limit WRITE checks for new destination files. Authenticated SFTP users can copy any readable file to a new path in write-denied directories, creating files where uploads are forbidden.\n\n## Affected\n\n- `ProFTPD < 1.3.9e`\n- `ProFTPD >= 1.3.10rc1 < 1.3.10rc5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}