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High 8.1Published Apr 28, 2026
CVE-2026-42167mod_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 backe…
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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
- 8.1 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-89
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
proftpd proftpd proftpd:proftpd | through 1.3.9b | NVD |
References
- http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1release-notes
- https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-pocexploit, third-party-advisory
- https://github.com/proftpd/proftpd/issues/2052exploit, issue-tracking, patch
- https://www.openwall.com/lists/oss-security/2026/05/01/4mailing-list
- https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rceexploit, press/media-coverage, third-party-advisory
- http://www.openwall.com/lists/oss-security/2026/05/01/13mailing-list
- http://www.openwall.com/lists/oss-security/2026/05/01/4mailing-list
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.