CVE-2026-42167

HIGH

8.1

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).

CVE Details

CVSS v3.1 Score8.1

SeverityHIGH

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published4/28/2026

Last Modified5/1/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-89

References

http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1(cve@mitre.org)

https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc(cve@mitre.org)

https://github.com/proftpd/proftpd/issues/2052(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2026/05/01/4(cve@mitre.org)

https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2026/05/01/13(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2026/05/01/4(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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