CVE-2026-42167highobserved exploitationCWE-89

CVE-2026-42167: high-severity vulnerability in ProFTPD

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80Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 8.1epss 7.4%
from disclosure to weaponsame day
Published on NVDApr 28
1st PoCApr 28
VulnCheck+34d
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
ProFTPD · ProFTPD
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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