medium4.3
CVE-2026-119147
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 destinat…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| ProFTPD | before 1.3.9e |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://abraxaslabs.tech/research/proftpd-sftp-copy-file-write
- https://github.com/proftpd/proftpd
- https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_sftp/fxp.c#L4748
- https://github.com/proftpd/proftpd/commit/b7d3de4565ae448a510feecd17b41923e44bfe16
- https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5
- https://github.com/proftpd/proftpd/releases/tag/v1.3.9e
- https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-mod-sftp-copy-file-authorization-bypass