CVE-2026-42167

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 v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1	Release Notes
https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc	Exploit Third Party Advisory
https://github.com/proftpd/proftpd/issues/2052	Exploit Issue Tracking Patch
https://www.openwall.com/lists/oss-security/2026/05/01/4	Mailing List
https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce	Exploit Press/Media Coverage Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/05/01/13	Mailing List
http://www.openwall.com/lists/oss-security/2026/05/01/4	Mailing List
https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-28 23:16

Updated : 2026-07-24 21:10

NVD link : CVE-2026-42167

Mitre link : CVE-2026-42167

CVE.ORG link : CVE-2026-42167

JSON object : View

Products Affected

proftpd

proftpd

CWE

CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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