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...
- Published
- Apr 28, 2026
- Updated
- May 1, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 25, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 94.3%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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).
Sources
network/cves/2026/CVE-2026-42167.yaml
Nuclei TemplatesDeclared conditions
- network: tcp($.protocol_keys)
- verification: word($.matchers[*].type)
Independent reproduction, code-level root-cause analysis, and realistic-exposure write-up for CVE-2026-42167 (ProFTPD mod_sql is_escaped_text() bypass).
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.