CVE-2026-119364
ProFTPD through 1.3.9e and 1.3.10rc4 mod_copy Symlink Following Write Bypass
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
ProFTPD through 1.3.9e and 1.3.10rc1 through 1.3.10rc4 contains a link-following vulnerability in mod_copy that allows authenticated FTP users to bypass Limit WRITE restrictions via symlinks. Attackers can place a symlink in a writable directory and use SITE COPY or SITE CPTO to overwrite files in write-denied locations.
| CWE | CWE-59 |
| Vendor | proftpd project |
| Product | proftpd |
| Published | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
ProFTPD Project / ProFTPD
0 ≤ 1.3.9e 1.3.10rc1 < 1.3.10rc5
References
github.com: https://github.com/proftpd/proftpd/issues/2374 github.com: https://github.com/proftpd/proftpd/commit/c41691f8981f98081fcb8a535c3c21b06a3f04af github.com: https://github.com/proftpd/proftpd/blob/v1.3.9e/contrib/mod_copy.c#L620 github.com: https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5 abraxaslabs.tech: https://abraxaslabs.tech/research/proftpd-site-copy-dest-follow github.com: https://github.com/proftpd/proftpd vulncheck.com: https://www.vulncheck.com/advisories/proftpd-through-1.3-9e-and-1.3-10rc4-mod-copy-symlink-following-write-bypass
Credits
Abraxas Labs TJ Saunders