Name: CVE-2026-42167: Improper Neutralization of Special Elements used in an SQL Command
Creator: Rapid7
Published: 2026-04-28T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-42167, CWE-89, CVSS 8.1, EPSS 0.07307

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).

CVSS Details

CVSS 3.1 Base Score: 8.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade proftpd	Apr 30, 2026	Apr 28, 2026
Debian	—	Upgrade proftpd-dfsg	May 17, 2026	May 17, 2026
Proftp Proftpd	—	Update ProFTP ProFTPd to the latest version	Apr 30, 2026	Apr 28, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence