CVE-2026-42167

Name: CVE-2026-42167
Creator: NVD / NIST
Published: 2026-04-28T23:16:20.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 5.00%

Last modified Jun 17, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

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).

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.00%

91.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

References

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://www.openwall.com/lists/oss-security/2026/05/01/4
https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce
http://www.openwall.com/lists/oss-security/2026/05/01/13
http://www.openwall.com/lists/oss-security/2026/05/01/4
https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc

Timeline

Published: Apr 28, 2026
Last Modified: Jun 17, 2026
Status: Awaiting Analysis

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Source: NVD / NIST