Vulnerability Report

CVE-2026-42167

Title: ProFTPD mod_sql remote code execution

SQLi

Proof Of Concept

PoC Available for CVE-2026-42167

CWE Category CWE-89
Published Date Apr 28, 2026
Modified Date Jul 24, 2026
Exploit Status Available
Score 8.1 CVSS v3.1
Exploit Probability (EPSS)
7.31%

Vulnerability Summary

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).

Impacted Vendors

P
proftpd_project 1
P
proftpd 1

Reference Links

http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1 https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc https://github.com/proftpd/proftpd/issues/2052 https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.1
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-42167 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/52658
View Code
GitHub https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc
View Code
GitHub https://github.com/Sl4cK0TH/CVE-2026-42167-PoC
View Code
GitHub https://github.com/efeanilarslan/CVE-2026-42167-Exploit
View Code
GitHub https://github.com/jimmexploit/CVE-2026-42167-PoC
View Code
GitHub https://github.com/kaleth4/CVE-2026-42167
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.