CyberSecBulletin

ProFTPD vulnerabilities

We track 6 vulnerabilities in ProFTPD products. 6 are rated high or critical, and 1 has been exploited in real attacks. The most recent was published on July 20, 2026.

6vulnerabilities
0critical
6high
1exploited
8.3average CVSS score

Latest ProFTPD vulnerabilities

  • 8.8 High severity

    proftpd: Heap-based Buffer Overflow

    CVE-2026-63090ProFTPD

    ProFTPD before 1.3.9c and 1.3.10rc3 contains a heap-based buffer overflow vulnerability in the mod_sftp module that allows authenticated low-privilege attackers to achieve arbitrary code execution by sending crafted SFTP packet fragments exceeding the 16 KB re

  • 8.1 High severity

    ProFTPD: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2026-44331ProFTPD

    In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltab_fetch_clients_cb() in contrib/mod_wrap2_sql.c allows a remote attacker to inject arbitrary SQL commands via a crafted domain name that is accessed in a reverse DNS lookup. When "

  • 8.1 High severity

    ProFTPD: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2026-42167ProFTPDEPSS 7.39%

    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).

  • 7.5 High severity

    proftpd: Incorrect Authorization

    CVE-2024-48651ProFTPDEPSS 2.14%

    In ProFTPD through 1.3.8b before cec01cc, supplemental group inheritance grants unintended access to GID 0 because of the lack of supplemental groups from mod_sql.

  • 7.5 High severity

    Proftpd: Out-of-bounds Read

    CVE-2023-51713ProFTPDEPSS 4.25%

    make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.

  • 10.0 High severity

    ProFTPD Improper Access Control Exploited

    CVE-2015-3306Fedora ProjectEPSS 99.5%

    The mod_copy module in ProFTPD 1.3.5 allows remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands.