CVE-2026-42167

EUVD-2026-26157
mod_sql in ProFTPD before 1.3.10rc1 allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).
SQL Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
proftpd-dfsg
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
vulnerable
sid
1.3.9~dfsg-5
fixed
trixie
vulnerable
Common Weakness Enumeration
References
http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1
https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc
https://github.com/proftpd/proftpd/issues/2052
https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce
https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc