Back
CVE-2026-119147
ProFTPD before 1.3.9e and 1.3.10rc5 mod_sftp Copy-File Authorization Bypass
Medium5.3EPSS 0.29%
- Published
- Updated
- Reserved
- Assigned by
- VulnCheck
Description
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 in write-denied directories, creating files where uploads are forbidden.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulnCheckCNA (assigner) | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| VulnCheckCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVDNVD · Awaiting Analysis | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
- affected < 1.3.9e
- affected 1.3.10rc1 – < 1.3.10rc5
References (7)
- https://github.com/proftpd/proftpd/commit/b7d3de4565ae448a510feecd17b41923e44bfe16 (opens in a new tab)patch
- https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_sftp/fxp.c#L4748 (opens in a new tab)technical-description
- ProFTPD v1.3.9e Release Notes (opens in a new tab)release-notes
- ProFTPD v1.3.10rc5 Release Notes (opens in a new tab)release-notes
- https://abraxaslabs.tech/research/proftpd-sftp-copy-file-write (opens in a new tab)third-party-advisory
- https://github.com/proftpd/proftpd (opens in a new tab)product
- VulnCheck Advisory: ProFTPD before 1.3.9e and 1.3.10rc5 mod_sftp Copy-File Authorization Bypass (opens in a new tab)third-party-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-119147)Record last updated .