CVE-2026-42167

8.1 highEPSS 7.4%

High (8.1) in proftpd proftpd. EPSS 7.4% chance of exploitation in the next 30 days.

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).

Severity

CVSS 3.1

8.1 high

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

EPSS: 7.4% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2026-04-28
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

Affected

proftpd:proftpd

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

Check your stack JSON