CVE-2026-119364

medium

Description

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.

References

https://www.vulncheck.com/advisories/proftpd-through-1.3-9e-and-1.3-10rc4-mod-copy-symlink-following-write-bypass

https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5

https://github.com/proftpd/proftpd/issues/2374

https://github.com/proftpd/proftpd/commit/c41691f8981f98081fcb8a535c3c21b06a3f04af

https://github.com/proftpd/proftpd/blob/v1.3.9e/contrib/mod_copy.c#L620

https://github.com/proftpd/proftpd

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113781

https://abraxaslabs.tech/research/proftpd-site-copy-dest-follow

Details

Source: Mitre, NVD

Published: 2026-10-30

Updated: 2026-10-30

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 6

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00465