CVE-2026-42167 HIGH

CVE-2026-42167

Vendor Proftpd
Product ProFTPD
Weakness CWE-89 · SQLi
Published April 28, 2026
Last update May 1, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

mod_sql in ProFTPD before 1.3.9a 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).

Key dates

02Disclosure timeline

April 28, 2026 CVE published
May 1, 2026 Record updated