SQL Injection Affecting proftpd/proftpd package, versions [,1.3.9a)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
7.03% (92nd percentile)

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  • Snyk IDSNYK-UNMANAGED-PROFTPDPROFTPD-16353434
  • published3 May 2026
  • disclosed28 Apr 2026
  • creditUnknown

Introduced: 28 Apr 2026

NewCVE-2026-42167  (opens in a new tab)
CWE-89  (opens in a new tab)

How to fix?

Upgrade proftpd/proftpd to version 1.3.9a or higher.

Overview

Affected versions of this package are vulnerable to SQL Injection via the mod_sql process. An attacker can execute arbitrary code by supplying a crafted username when logging of USER requests is enabled with an expansion such as %U, and the SQL backend permits commands like COPY TO PROGRAM.

CVSS Base Scores

version 4.0
version 3.1