CVE-2026-42167

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Summary

CVECVE-2026-42167
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-28 23:16:20 UTC
Updated2026-05-01 19:16:30 UTC
Descriptionmod_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).

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

EPSS: 0.070320000 probability, percentile 0.915250000 (date 2026-05-05)

Problem Types: CWE-89 | CWE-89 CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ProFTPD ProFTPD affected 1.3.7b 1.3.9a custom Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/05/01/4 [email protected] www.openwall.com
www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1 [email protected] www.proftpd.org
github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce [email protected] zeropath.com
www.openwall.com/lists/oss-security/2026/05/01/4 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
github.com/proftpd/proftpd/issues/2052 [email protected] github.com
www.openwall.com/lists/oss-security/2026/05/01/13 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
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